000
00313nam a2200133Ia 4500
008
221231s9999 xx 000 0 und d
100
_a
Lakshmi V and Usha S
_9
2261
245
0
_a
Engineering Physics
260
_b
Scitech Publicaions
260
_c
2001
300
_a
pv
650
_a
Physics
_9
2262
942
_c
BE_BK
999
_c
2434
_d
2434