00283nam a2200109Ia 4500008004100000100002000041245003700061260004400098300000900142942000700151999001500158190216s9999||||xx |||||||||||||| ||und||  aJohn L Burbidge 0aPrinciples Of Production Control  bThe English Language Book Societyc1978  a585p  cBK  c8330d8330