00301nam a2200133Ia 4500008004100000041000800041082001500049100001600064245002600080260002800106300000900134365000800143700001600151230612s9999    xx            000 0 und d  aeng  a629.83 DAS  aGupta D. S.  aControl System Theory  c1973bKhanna Publishers  a1018  cRs.  aGupta D. S.