00299    a2200121   4500020001500000082001300015100002300028245002400051260004600075300001800121650001600139700002200155  a066903021X  a510bRUC  aRucker, Walter E.   aHealth mathematics   aTorontobD. C. Health Companyc1979g1979  av,410p.c24cm  aMathematics  aDilley, Clyde A.