00270nam a2200109Ia 4500008004100000020001800041100001700059245004800076250000800124260001800132300001000150160921s9999 xx 000 0 und d a81-7808-588-7 aTULSIAN P C aQUANTITATIVE TECHNIQUES Theory and Problems a1st bPEARSONc2002 a12.18