TY  - BOOK
AU  - Firor,John
TI  - The changing atmosphere: a global challenge 
SN  - 0300056648
PY  - 1990///
CY  - New Haven, Conn.
PB  - Yale University Press
KW  - Atmosphere
KW  - Acid rain
KW  - Environmental aspects
KW  - Ozone layer depletion
KW  - Global warming
ER  -