000 00323nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c540/-
040 _aET
100 _aAVADHANULU M.N
245 0 _aENGINEERING PHYSICS
260 _bS.CHAND & COMPANY
_aNEW DELHI
300 _a1189
500 _a20544
942 _cBK
999 _c26759
_d26759