00309nam a2200109Ia 4500008004100000041000800041082001600049100001200065245006300077260003200140650002700172230711s9999||||xx |||||||||||||| ||und||  aENG  a621.3bGO-V  aGopal,M 0aL : 20 Basic principles of feedback control engineering-II  c1995aNew DelhibIIT ,Delhi  aElectrical Engineering