TY - BOOK AU - Martens,Hinrich R. AU - Allen,Don R. TI - Introduction to system theory SN - 675096030 U1 - 629.83 PY - 1969/// CY - Ohio PB - Charles E. Merrill Pub. KW - System theory KW - Science KW - Philosophy KW - System analysis KW - Systems engineering N1 - Includes index ER -