000			00374nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a530 _bJOH-P
100			_aJohn, K K
245		0	_aP D C Physics
260			_bV.Publishers _aKOTTAYAM _c1977
300			_a120p.
630			_xGeneral Stack
650			_aNatural Sciences &mathematics _v physicsGeneralia
942			_cBOOK
999			_c78352 _d78352