000 00383nam a2200145Ia 4500
008 170101s1990 xx 000 0 und d
082 _a636.508.2 C71P
100 _aCrawford, R.D
245 0 _aPoultry Breeding & Genetics.
260 _bElsevier.
_c1990
300 _a1123.
650 _aPOULTRY BREEDING & GENETICS.
653 _aPOULTRY BREEDING & GENETICS.
942 _2ddc
_cB
999 _c105270
_d105270