This work could not be checked — none of the deposited references carry a DOI. No claim is made either way
about its reference list.
The 10 references without a DOI — listed, not checked
no DOI — not checkedYu. K. Alekseev, Alekseev Bathometer, RF Patent 204684, Kl. 421, 18, Applicant and Patentee is Arctic and Antarctic Research Institute, No. 1042649/23/26; applied on December 10, 1965; published on October 20, 1967, Bull. No. 22.
no DOI — not checkedV. P. Korovin, Oceanological Observations in the Coastal Sea Zone (RGGMU, St. Petersburg, 2007) [in Russian].
no DOI — not checkedA. F. Maklakov, V. A. Snezhinskii, and B. S. Chernov, Oceanographic Instruments (Gidrometeoizdat, Leningrad, 1975) [in Russian].
no DOI — not checkedMethods of Complex Hydrochemical and Biological Study of Water Quality and Water and Near-water Ecosystems, Ed. by T. I. Moiseenko (Tyumen State Univ., Tyumen, 2011) [in Russian].
no DOI — not checkedManual for Hydrological Studies in the Seas and Oceans, Ed. by G. S. Ivanov (Gidrometeoizdat, Leningrad, 1977) [in Russian].
no DOI — not checkedManual for Hydrobiological Monitoring of Freshwater Ecosystems, Ed. by V. A. Abakumov (Gidrometeoizdat, St. Petersburg, 1992) [in Russian].
no DOI — not checkedV. Yu. Tret’yakov, Field Ecological Studies (Water Bodies). Guidance Manual (SPbGU, St. Petersburg, 2006) [in Russian].
no DOI — not checkedMethod of Seawater Analysis, Ed. by K. Grasshoff, K. Kremling, and M. Ehrhardt (Verlag Chemie, California, 1983).
no DOI — not checkedS. J. Niskin, D. A. Segar, and P. R. Betzer, “New Niskin Sampling Bottles without Internal Closures and Their Use for Collecting near Bottom Samples for Trace Metal Analysis,” Trans. Amer. Geophys. Union, 54 (1973).
no DOI — not checkedSubsea Industry Search Engine. Subsea Water Samples Products: Models Niskin Sampler (2011); http://wwwsubseaorg/products/prodcatasp?cat=Water%20Samplers.
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