00349    a2200133   4500020001500000082001300015100002200028245002300050260005000073300001900123650001600142650003600158700002100194  a0669053236  a510bRUC  aRucker, Walter E.  aHealth mathematics  aTorontobD. C. Health and Companyc1981g1979  avi,442p.c24cm  aMathematics  aNatural science and mathematics  aDilley, Clyde A.