机读格式显示(MARC)

• 000 00900nam 22002535a 45

• 000 1000086744

• 001 0000310159

• 008 750805s1941 wiua 000 0 eng d

• 020 __ |c CNY4.05

• 040 __ |c FQG |d CWR |d m.c

• 050 0_ |a QH96 |b .S9

• 082 __ |a 574.92

• 090 __ |a QH 96 S989s 1940

• 090 __ |a 570/SY68

• 245 02 |a A symposium on hydrobiology / |c James G. Needham ... [et al.].

• 260 __ |a Madison : |b The University of Wisconsin press, |c 1941.

• 300 __ |a ix, 405 p. : |b ill. ; |c 24 cm.

• 500 __ |a Held under the auspices of the University of Wisconsin and of the Wisconsin alumni research foundation at the University on September 4 to 6, 1940. cf. Foreword.

• 500 __ |a "References" at end of most of the papers.

• 650 _0 |a Freshwater biology.

• 700 1_ |a Needham, James G. |q (James George), |d 1868-1956.

• 901 __HSW200701586

• 905 __ |a CAU |f 570/Sy68

• 907 __ |a CAU |f 570/Sy6