00319nam a2200109Ia 4500008004100000020002200041082001900063100002200082245006800104260002800172300000900200210430s9999    xx            000 0 und d  a978-1-4200-5240-4  a658.4 B 6581 O  aDennis Blumenfeld  aOperations Research Calculation Handbook 2ndcDennis Blumenfeld  aLondonbCRC Pressc2009  a238p