00000nam a2200000 a 4500 20251203090448.0 9022006689 531.11, D, fer Ferrari, Th J Elements of system-dynamics simulatation: a textbook with exercises Wageningen Pudoc 1978 90p, 22cm System dynamics Eng 100 010 _ 15978 LIBSC C 8423 8423 0 0 0 0 PU PU 1998-04-08 0 531.11, D, fer 15978 BK