00454nam a2200145Ia 4500008004100000100003100041245002400072260002400096260000900120300000700129650001800136942001000154952012900164999001500293221231s9999    xx            000 0 und d  aLakshmi V and Usha S92261 0aEngineering Physics  bScitech Publicaions  c2001  apv  aPhysics92262  cBE_BK  00104070aAITbAITd2015-06-24eMega Booksg165.00l0pBE03881r2022-12-31v165.00w2022-12-31yBE_BKzPhysicsB1900-01-01  c2434d2434