TY - BOOK ED - Unesco. TI - A guide to the measurement of marine primary production under some special conditions SN - 9231010999 AV - QH91.57.P4 U5 1973 U1 - 581.9 23 PY - 1973/// CY - Paris, France PB - Unesco KW - Primary productivity (Biology) KW - Measurement KW - Seawater KW - Analysis KW - Marine algae N1 - Label mounted on t.p.: Distributed in the U.S.A. by Unipub, Inc., New York, N.Y; Bibliography: p. 65-71 ER -