TY  - BOOK
AU  - SPEAKMAN (J C)
TI  - Introduction to the electronic theory of valency
U1  - 541.224 SPEI 
PY  - 1956///
CY  - London
PB  - Edward Arnold (Publishers) Ltd.
KW  - valency
KW  - to
KW  - theory
KW  - the
KW  - of
KW  - Introduction
KW  - electronic
ER  -