TY - BOOK AU - Cheng, David K. AU - ED - ED - ED - ED - SN - 2 PY - 1959///46 CY - Reading, Mass PB - Addison-Wesley Pub. Co KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Linear systems.;Differential equations, Linear.;Electromechanical analogies N1 - 5 ER -