TY  - BOOK
AU  -  Shea,Cynthia Pollock
TI  -  Protecting life on earth : :  steps to save the ozone layer / 
SN  -  0916468887
PY  - 1988///
CY  -  Washington, D. C.  : 
PB  -  World Watch Institute , 
KW  -  Environmental protection
KW  -  Ozone layer
N1  -  Includes bibliographical references
ER  -