TY  - BOOK
AU  - Ketelaar,J.A.A.
TI  - Chemical constitution : an introduction to the theory of the chemical bond 
U1  - 541.244 KET  
PY  - 1958///.
CY  - Amsterdam : 
PB  - Elsevier Publishing Company, 
KW  - Chemical reaction, Conditions and laws of.
N1  - Includes index.
ER  -