TY  - BOOK
AU  - Theory of valency in progress
AU  - Kuznetsov,V.I
TI  - Theory of valency in progress
U1  - 541.224 THE 
PY  - 1980///
CY  - Moscow
PB  - Mir
KW  - theory of valency
N1  - Translated form Russian by Alexander Rosinkin
ER  -