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 30 references without a DOI — listed, not checked
no DOI — not checkedCIT0002
no DOI — not checkedTheir Microscopic World Explored
no DOI — not checkedNew Soil Microorganism
no DOI — not checked“The Preservation in Water Environments” from the Viewpoint of Biodiversity
no DOI — not checkedCIT0012
no DOI — not checkedCIT0013
no DOI — not checkedInoki, S. 1981.An Illustrated Protozoa Book, 816–816. Tokyo: Kodansha Publishing. (in Japanese)
no DOI — not checkedCIT0015
no DOI — not checkedIwanami Encyclopedia of Biology
no DOI — not checkedJIBP / PP. 1969.Photosynthesis and utilization of Solar Energy: Level I Experiments Report 2, 23–23. Tokyo: Japanese National Subcommittee for Primary Productivity.
no DOI — not checkedJIBP / PP. 1970.Photosynthesis and Utilization of Solar Energy: Level I Experiments Report 3, 30–30. Tokyo: Japanese National Subcommittee for Primary Productivity.
no DOI — not checkedJIBP / PP. 1971.Photosynthesis and Utilization of Solar Energy: Level I Experiments Report 4, 24–24. Tokyo: Japanese National Subcommittee for Primary Productivity.
no DOI — not checkedKatsuki, S, Suganuma, Y and Goto, M. 1996.A handbook of pesticides, 8th Ed., 1108–1108. Tokyo: Nouson Bunka Kyoukai. (in Japanese)
no DOI — not checkedProceedings of International Seminar on Development of Agribusiness and Its Impact on Agricultural Production in Southeast Asia (DABIA III)
no DOI — not checkedJJ, Lee, SH, Hutner and EC, Bovee, eds. 1985.An Illustrated Guide to the Protozoa, 629–629. Lawrence, Kansas, USA: Society of Protozoologists.
no DOI — not checkedBiomass in Soils
no DOI — not checkedCIT0027
no DOI — not checkedMizuno, T. 1964.An Illustrated Freshwater Plankton Book in Japan, 353–353. Tokyo: Hoikusha Publishing Co., Ltd. (in Japanese)
no DOI — not checkedMizuno, T and Takahashi, E. 1991.An Illustrated Guide to Freshwater Zooplankton in Japan, 532–532. Tokyo: Tokai Univ. Press. (in Japanese)
no DOI — not checkedCIT0031
no DOI — not checkedCIT0032
no DOI — not checkedA Color Guide
no DOI — not checkedShigenaka, Y. 1988.Observations and Experimental Methods of Protozoa, 259–259. Tokyo: Kyoritsu Publishing Co., Ltd. (in Japanese)
no DOI — not checkedBiomass in Soils
no DOI — not checkedCIT0040
no DOI — not checkedAn Illustrated Encyclopedia of the Environmental Microorganisms
no DOI — not checkedUchida, K and Uchida, T. 1965a.New Illustrated Encyclopedia of the Fauna of Japan (1), 679–679. Tokyo: Hokuryukan. (in Japanese)
no DOI — not checkedUchida, K and Uchida, T. 1965b.New Illustrated Encyclopedia of the Fauna of Japan (II), 803–803. Tokyo: Hokuryukan. (in Japanese)
no DOI — not checkedUeno, K. 1986.The Late Tamiji Kawamura Freshwater Biology of Japan, 760–760. Tokyo: Hokuryukan. (in Japanese)
no DOI — not checkedCIT0048
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