Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
591.5 B393 65969
Beck Stanley D Animal photoperiodism relationship of daylength to animal growth,development and b New York Holt, Rinehart & Winston 1963 124p. * Photoperiodism