TY - BOOK AU - KARNOPP DEAN C; MARGOLIS DONALD L; ROSENBERG RONALD C TI - SYSTEM DYNAMICS: A UNIFIED APPROACH SN - 978-0-470-88908-4 U1 - 620.0011 PY - 1990/// CY - NEWYARK PB - JOHN WILEY & SONS KW - System Engineering & Design ER -