A controlled-depth, volumetric bottom sampler
Jackson, H.W. (1970). A controlled-depth, volumetric bottom sampler. Prog. Fish-Cult. 32(2): 113-115, 14 plates
In: The Progressive Fish-Culturist. US Government Printing Office: Washington, D.C.. ISSN 0033-0779; e-ISSN 1548-8640, more
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