TY  - BOOK
AU  - Kutty, T.R. Narayanan
AU  - Murthy, A.R. Vasudeva.
TI  - Periodic classification of elements
U1  - 546.8 KUT 
PY  - 1975///
CY  - Delhi
PB  - Thomson Press
KW  - Elements
KW  - Classification of elements
KW  - Modern periodic table
N1  - Includes index
ER  -