00326nam a2200133Ia 4500100002600000650002000026250000600046366000700052654002000059245003200079260004700111082002200158546001200180  aNagrath/I.J/ Gopal/M   aControl Systems  a5  f15  acontrol systems  aControl Systems Engineering  bNew Age Interational Ltd.aNew Delhic2007  a629.8312/NAGbNAG  aENGLISH