00290nam a2200121Ia 450000500170000000800410001704100080005808200150006610000140008124500240009526000400011930000090015920260720174603.0260720s2006    xx            000 0 und d  aeng  a530.7 RAOT  aRao, Aman  aTeaching of physics  aNew DelhibAnmol Publicationsc2006  a218p