00330nam a2200109Ia 4500008004100000020001800041040002900059050002100088100002000109245004900129260004200178230222s9999||||xx |||||||||||||| ||und||  a0-87893-043-4  cChuka University Library  aQP 86 bA75 1998  aArking, Robert  0aBiology of aging:observation and principles   aSinaver Associates bSunderlandc1998