000 00366nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aAsker, A.A., Ragab, M.T.
245 _aGeneration interval in Egyptian livestock
260 _aCairo
260 _c1951
300 _a26 p.
440 _aNo. 6; Cairo Fouad I Universit
901 _pS3230
942 _cB
_2udc
999 _c123626
_d123626