000
00323nam a2200133Ia 4500
008
240112s9999 xx 000 0 und d
082
_a
539
_b
R
100
_a
Theraja, B L
245
0
_a
Modern physics
260
_a
New Delhi
_b
S Chand & Company Pvt. Ltd.
_c
2002
300
_a
422
650
_a
Modern physics
942
_c
BK
999
_c
31207
_d
31207