000
00304nam a2200133Ia 4500
008
160316s1970 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
Ballard, Stanley
245
_a
Physics Principles
250
_a
260
_a
New Delhi
_b
Affiliated East-West Press
_c
1970
300
_a
700
_a
_a
999
_c
7832
_d
7832