TY  - BOOK
AU  - Puri, Ravinder Kumar 
AU  - Karekar, R N 
TI  - Spectrophotometric study on ageing of chopped and unchopped optical films (Mg F2, cryolite, ZnS) and their codeposited mixtures under various ambients
PY  - 1982///
CY  - Pune
PB  - Savitribai Phule Pune University
UR  - http://lib.unipune.ac.in:8080/xmlui/handle/123456789/599
ER  -