00327nam a2200109Ia 4500008004100000082002100041100000500062245010300067260003200170300000500202700001000207140316s9999    xx            000 0 und d  a636.2bAFR/NU.62  a  aNutrition abstracts amd reviews ( seris B) nutritive requirements of ruminant animals protein V 62  aUKbCAB internationalc1992  a  aAFRC,