00375nam a2200133 4500 1252 1252 200120b ||||| |||| 00| 0 eng d 629.8312 D728 835 Douce, J. L. Introduction to the mathematics of servomechanisms London ELBS 1971 x, 240 p. Mathematical Models ddc BK 0 0 ddc 0 629_831200000000000_D728 0 3817 CL CL 1975-09-02 629.8312 D728 04303 2020-01-20 BK