TY  - GEN
AU  - Fisher, Marshall
TI  - The ozone layer
SN  - 0-7910-1601-3
U1  - HS 363.73926 F53 1992 
PY  - 1992///
CY  - New York
PB  - Chelsea House Publishers, 
KW  - Ozone layer
KW  - Juvenile literature
KW  - Chlorofluorocarbons
KW  - Environmental aspects
N2  - Tells of the 20-year effort to discover what was really happening in the upper atmosphere; describes how scientists and environmentalists have struggled to make the danger known and to restrict the production of CFCs and other ozone-destroying chemicals throughout the world
ER  -