00638nam a2200205Ia 4500001000600000003000500006008004100011010001100052040000900063082001500072100003000087245009300117260003400210300001100244440004100255500000500296503001900301650009100320650002100411Z_242CHAP220113s1987    xx            000 0 und d  a163216  cCHAP  a636.513 W4  aWells, R                G  aEgg quality - current problems and recent advances  /cby R. G. Wells and C. G. Belyawin  aLondon  :bButerworths,c1987  a302 p.  aPoultry science symposium series; 20  a  a150585 PERDIDO  aHuevosxAnálisis I. Belyawin, C. G. II. Poultry Science Symposium series; 20 III. t.  aHuevosxCalidad