TY - BOOK AU - Brady, John, CN - QH527 CN - QH527 CY - Cambridge [Cambridgeshire] ; CY - New York : DA - 1982. ID - 66596 KW - Biological rhythms KW - Photoperiodism N1 - Papers presented at a seminar organized by the Society for Experimental Biology, held at Imperial College, London, Mar. 26, 1980. PB - Cambridge University Press, PP - Cambridge [Cambridgeshire] ; PP - New York : PY - 1982. SN - 0521233070 SN - 0521298997 (pbk.) T1 - Biological timekeeping / TI - Biological timekeeping / VL - 14 ER -