TY  - BOOK
AU  - Weinhold,Frank
AU  - Landis,Clark R.
TI  - Valency and bonding: a natural bond orbital donor-acceptor perspective 
SN  - 0521831288
PY  - 2005///
CY  - Cambridge, UK
PB  - Cambridge University Press
KW  - Valence (Theoretical chemistry)
KW  - Chemical bonds
KW  - Molecular structure
ER  -