TY  - BOOK
AU  - Sen K D
AU  -  Clarke H J Ed.
AU  -  Jorgensen C K
TI  - Structure and bonding
U1  - E:21un1,N66, M7 
PY  - 1987///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Chemical combination
ER  -