TY  - BOOK
AU  - Simpson,William T.
TI  - Theories of electrons in molecules
T2  - Prentice-Hall international series in chemistry
AV  - QD461 .S47
U1  - 541.2 
PY  - 1962///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Molecular theory
KW  - Local
KW  - Electrons
ER  -