000
00268nam a22000857a 4500
008
210303b ||||| |||| 00| 0 eng d
050
_a
QC721
245
_a
Many-electron systems: properties and interactions
_c
FRAGA, SERAFIN
942
_2
lcc
_h
QC721 .F73 1968
999
_c
1381
_d
1381