00273nam a2200097Ia 4500008004100000020001500041100002400056245005100080260003400131300001000165250405s9999||||xx |||||||||||||| ||und||  a8170001307  aSundareshwaran K.S. 0aShaikshnik Pustakalay Sangathan Tatha Prabandh  bEss Ess Pub.aNew Delhic1991  a587p.