00306nam a2200109Ia 450000500170000000800410001708200150005810000250007324500440009826000460014230000080018820260225051022.0260224s9999||||xx |||||||||||||| ||und||  a510.78 KOC  aRalph J.Kochenburger 0aComputer simulation of dynamic systems   aNew Jersey: Engliwood Cliffs, Inc. c1972  a530