.245
a	A Guide to the study of fresh-water biology
h	Book
.250
a	5th ed. ; revised and enlarged
.100
a	NEEDHAM, James G.
.005
a	20080130084322
.260
a	San Francisco
b	Holden-Day
c	1962
.084
a	574.929 NEE
.300
a	x, 108 hlm.: gamb., tab.
b	23 cm.
c	x, 108 hlm.: gamb., tab.; 23 cm.
.336
a	Book