00315nam a2200133Ia 4500008004100000041001200041082001100053100001500064245002400079260003700103300001000140650001500150700001600165221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. K. Gaur 0aEngineering Physics  bDhanpat Rai PubaNew Delhic2006  a64.20  aBB Physics  aS. L. Gupta