TY  - BOOK
AU  - Richards,W.G..
AU  - Scott,P.R.
TI  - Energy levels in atoms and molecules / 
T2  - Oxford chemistry Primers, 
SN  - 019855804X
U1  - 541.28 
PY  - 1994///
CY  - Oxford : 
PB  - Oxford University Press , 
KW  - ENERGY LEVELS
N1  - NULL
ER  -