Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 77 references without a DOI — listed, not checked
no DOI — not checkedAmerican Airlines, Inc.
Annual Report, 1976.
no DOI — not checkedAmerican Airlines, Inc.
Annual Report, 1978.
no DOI — not checkedAmerican Airlines, Inc.
Annual Report, 1982.
no DOI — not checkedHarvard Business School, Case No. EA-C 758
no DOI — not checkedTWA Suit
no DOI — not checkedData Link Network Expansion Planned
no DOI — not checked2025111913324060800_b8-1_copeland
no DOI — not checkedJustice Eyeing Reservations on Antitrust
no DOI — not checkedConferees Direct Computer Reservations Study
no DOI — not checkedCAB Adopts Final Regulations for Computer Reservations
no DOI — not checkedSources of Economic Rent in the Deregulated Airline Industry
no DOI — not checkedInterview with authors
no DOI — not checkedIBM’s Early Computers
no DOI — not checkedInterview with authors
no DOI — not checkedUnited Airlines
no DOI — not checkedAmerican Air Sues Texas Air Over Contracts
no DOI — not checkedAir Transport and Its Regulators
no DOI — not checked2025111913324060800_b19-1_copeland
no DOI — not checkedContinental Airlines
. Annual Report, 1978.
no DOI — not checkedDelta Air Lines
. Annual Report, 1961.
no DOI — not checkedScorecard Shows Some Big Gains, Some Losses
no DOI — not checkedAnalysis of American’s and United’s Statements Regarding the Profitability of SABRE and APOLLO
no DOI — not checkedEastern Airlines, Inc.
Annual Report, 1968.
no DOI — not checked2025111913324060800_b25-1_copeland
no DOI — not checkedThe Fight for Competitive Advantage: A Study of the United States Domestic Trunk Air Carriers
no DOI — not checkedService to Travel/Cargo Agents
no DOI — not checked2025111913324060800_b28-1_copeland
no DOI — not checked2025111913324060800_b29-1_copeland
no DOI — not checked2025111913324060800_b30-1_copeland
no DOI — not checkedGrowing Giants
no DOI — not checkedBob Crandall Soars by Flying Solo
no DOI — not checkedWinners in the Air Wars
no DOI — not checked2025111913324060800_b35-1_copeland
no DOI — not checkedAirline Competition in Deregulated Markets: Theory, Firm Strategy, and Public Policy
no DOI — not checkedInterview with authors
no DOI — not checkedAirline Deregulation: The Early Experience
no DOI — not checked2025111913324060800_b40-1_copeland
no DOI — not checkedNorthwest Airlines, Inc.
Annual Report, 1959.
no DOI — not checkedNorthwest Airlines, Inc.
Annual Report, 1961.
no DOI — not checkedNorthwest Airlines, Inc.
Annual Report, 1964.
no DOI — not checkedNorthwest Airlines, Inc.
Annual Report, 1970.
no DOI — not checkedInterview with authors
no DOI — not checkedCAB Weighs Six Options on Computer Reservations
no DOI — not checkedCAB Studies Reservations Bias in Connecting Flights
no DOI — not checkedMergers Allow Domination of Individual Airports
no DOI — not checkedPan American World Airways, Inc.
Annual Report, 1955.
no DOI — not checkedPan American World Airways, Inc.
Annual Report, 1961.
no DOI — not checked2025111913324060800_b51-1_copeland
no DOI — not checkedTexas Air Corp. Reservations Unit Sues United Air
no DOI — not checkedAmerican Airlines ’SABRE’ Electronic Reservations System
no DOI — not checkedRuling Raises Airline Computer System Fees
no DOI — not checkedDelta Air Lines (formerly of Western Airlines)
no DOI — not checkedThe Antitrust Implication of Computer Reservations Systems (CRS’s)
no DOI — not checkedEastern Airlines
no DOI — not checkedTexas Air Unit Charges American with Restraining CRS Business
no DOI — not checkedHeritage Travel
no DOI — not checkedTexas Air Corps. Reservations Unit Sues American
no DOI — not checkedTrans World Airlines, Inc.
Annual Report, 1970.
no DOI — not checkedUnited Airlines, Inc.
Annual Report, 1965.
no DOI — not checkedUnited Airlines, Inc.
Annual Report, 1971.
no DOI — not checked2025111913324060800_b65-1_copeland
no DOI — not checked2025111913324060800_b66-1_copeland
no DOI — not checkedAdvance Notice of Proposed Rulemaking on Computer Reservations Systems (Proposed Part 255), Docket 41686
no DOI — not checkedEvaluation of the Increases in Computer Reservation Systems Booking Fees to Participating Carriers
no DOI — not checked2025111913324060800_b69-1_copeland
no DOI — not checked2025111913324060800_b70-1_copeland
no DOI — not checked2025111913324060800_b71-1_copeland
no DOI — not checked2025111913324060800_b72-1_copeland
no DOI — not checked2025111913324060800_b73-1_copeland
no DOI — not checked2025111913324060800_b74-1_copeland
no DOI — not checked2025111913324060800_b75-1_copeland
no DOI — not checked2025111913324060800_b76-1_copeland
no DOI — not checkedComplaint for Damages and Injunctive Relief
no DOI — not checkedComplaint for Damages and Injunctive Relief
no DOI — not checkedSupplemental and Amended Complaint for Damages and Injunctive Relief
no DOI — not checkedAirline Competition: Impact of Computerized Reservation Systems
no DOI — not checkedInterview with authors
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