Climate and ozone :  the environmental challenges of the 21st century. 

 - [Italia?] :  Oasis : Italian Ministry for Environment,  2000 
 - 68 p.   :il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROTECCION DEL MEDIO AMBIENTE
<br/><br/><label>Dewey Class. No.: </label>333.72 C639c