TY  - BOOK
AU  - Ketelaar, J. A. A.
TI  - Chemical constitution: an introduction to the theory of the chem ical bond 
U1  - 541.22 
PY  - 1953///
CY  - vii, 398 p
PB  - ill.
KW  - Chemical bond
N1  - Includes bibliographical references and index
ER  -