00332nam a2200133Ia 4500008004100000100002100041245003200062250001200094260005000106300000800156650001000164942000700174999001700181190216s9999||||xx |||||||||||||| ||und||  aProf .t.mohammed 0aB.Sc Physics  Subsidiary -1  a3rd Ed.  bCalicut University Central Co-Operativec2002  a314  aPhycs  cBK  c34688d34688