00265nam a2200097Ia 4500008004100000020001800041040002900059050002200088245002300110260003400133230104s9999||||xx |||||||||||||| ||und||  a0-340-53187-8  cChuka University Library  aQP 31.2bA55 1991 0aAnimal physiology   aOpen UniversitybLondonc1991