000 00315nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aRae Silver
245 _aParential Behaviour In Birds
250 _a1st
260 _aPENNSYLVANIA
_bDOWDEN & HUTCHINSON
_c1977
300 _a435
700 _a
_a
999 _c12783
_d12783