000
00260nam a2200121Ia 4500
100
_a
Wahr/M.R & others
942
_c
BK
654
_a
Physics
245
_a
Physics of the atom
260
_b
East West Press
_a
Delhi
_c
1989
300
_a
593
546
_a
ENGLISH
999
_c
31656
_d
31656