TY  - BOOK
AU  - Mary Elvira Weeks
AU  -  Henry M. Leicester  F. B. Dains
TI  - Discovery of the elements. Ed 7
U1  - 549.2 
PY  - 1968///
CY  - Cochin
PB  - Paico Publishing House
N1  - Mary Elvira Weeks; Henry M. Leicester & F. B. Dains: Discovery of the elements. Ed 7.  (7th Edition.)  Cochin.  Paico Publishing House, 1968.--(549.2WEE)
ER  -