000 00315pam a2200145 a 4500
020 _c
041 _aeng
082 _bPAT
100 _aPathak, AP.
245 _aAtomic and molecular Physics
_hTextual Documents
250 _a1992.
260 _a[s.l]:
_bNarasa PUB House
300 _a186 pg .
930 _a7852
999 _c84762
_d84762