00273nam a2200109 a 450000500170000002000150001708200170003210000210004924500270007026000370009730000290013420251203091249.0  a0071003215  a653.423bSAB  aSabin William A.  aGregg reference manual  aNew YorkbMcGraw hill bookc1987  axxxii, 421p.c22 cm.cPB