00577nam a2200205Ia 4500001000700000003000500007008004100012010001100053040000900064082001600073100000500089245009600094260003700190300002100227440000500248500000500253503000500258650006700263650004100330Z_4561CHAP220113s1987    xx            000 0 und d  a167636  cCHAP  a636.381 T49  a  aThe Texas A and M sheep and goat simulation models  /cby H. D. Blackburn ...  /cet al /c  aTexas  :bCollege Station,c1987  a136 p. : gráfs  a  a  a  aGanado cabríoxModelos matemáticos I. Blackburn, H       D  aGanado lanarxModelos matemáticos