Shea, Cynthia Pollock <br/><br/>
Protecting life on earth: steps to save the ozone layer / 
Cynthia Pollock, Shea. 
 - Washington  Woeldwatch Institute  1988 
 - 46 p. 
<br/><br/><label>ISBN: </label>0-916468-88-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Atmospheric ozone - environmental aspects<br/>Ozone layer
<br/><br/><label>Dewey Class. No.: </label>363.73875  / SHE