01009nam a22002411  450000100060000000300080000600500170001400800390003103500190007004000360008904100080012508200160013311100620014924501620021126000500037330000550042349000770047850400390055565000320059483000120062670000570063883000720069511749BD-RjUL20211208235157.0140127s1959    dcua     b    101 0 eng  a(BD-RjUL)11798  aDLC/ICUcICUdDLCdBD-RjULbeng  aeng00a574.52bPHO2 aConference on Photoperiodismd(1957 :cGatlinburg, Tenn.)10aPhotoperiodism and related phenomena in plants and animals;bproceedings,cedited by Robert B. Withrow, with the cooperation of Arthur C. Giese [and others].  aWashington  ,c1959.bAmerican assiociation :  axvii, 903 p. :billus., diagrs., tables. ;c24 cm.1 aAmerican Association for the Advancement of Science. Publicationvno. 55  aIncludes bibliographies and index. 0aPhotoperiodismxCongresses. 0vno. 55.1 aWithrow, Robert B.q(Robert Bruce),d1904-1958,eed. 0aPublication (American Association for the Advancement of Science) ;