00295nam a2200109 a 450000500170000002000150001708200250003210000180005724500380007526000510011330000210016420251203090444.0  a0155126369  a515.028542,bDD, Str  aStroyan, K.D.  aComputer explorations in calculus  aLoNew DelhionbHarcourt Brace Jovanovichc1986  ax, 278p., 22 cm.