00311nam a2200109 a 450000500170000000800410001705000220005810000190008024500240009926000620012365000160018520140414131853.0100807s19uu    xx            00    eng d  aM 510.7bR82 1983  aRucker, Walter  aHealth mathematics.  aLexington, Massachusetts :bDC Health and Company,c1983.  aMathematics