00870nam0-22003371i-450-99000201998040332120021010000201998FED01000201998(Aleph)000201998FED0100020199820021010d--------km-y0itay50------baitaPhotoperiodism in animals.Donald S. FarnerBostonAmer. Inst. Bio. Sc.196436 p.20 cmBSCS Pamphlets15BiologiaClimaAdattamentoZoologia591.542Farner,Donald S.85642ITUNINARICAUNIMARCBK99000201998040332161 II B.5/31.152078DAGENDAGENPhotoperiodism in animals405136UNINAING01