01112cam a2200325 4500 283278 283278 4561276 20190806091418.0 730831s1973 fr b i000 0 eng 73080082 F*** 9231010999 DLC DLC DLC PUCPR eng rda Unesco. 182778 A guide to the measurement of marine primary production under some special conditions. Paris, France : Unesco, 1973. 73 p. : ill. ; 24 cm. txt rdamedia n rdacarrier nc $3.00 U.S. Label mounted on t.p.: Distributed in the U.S.A. by Unipub, Inc., New York, N.Y. Bibliography: p. 65-71. QH91.57.P4 U5 1973 23 581.9 U567g Primary productivity (Biology) Measurement. 266044 Seawater Analysis. 167219 Marine algae Measurement. 131049 7 cbc orignew 2 opcn 19 y-gencatlg ddc 6 581.9 U567g 0 0 0 ddc 0 581_900000000000000_U567G 0 412325 10 10 1 2019-08-06 0 581.9 U567g 80000002182965 2019-08-06 00:00:00 2019-08-06 6