000
00257nam a2200121Ia 4500
999
_c
24045
_d
24045
100
_a
Gaur R K
245
_a
Engineering Physics
250
_a
7
260
_c
1997
_b
DHANPAT RAI & SONS
_a
New Delhi
300
_a
xii+1020
700
_a
Gupta S L
942
_c
BB