Informe ambiental 

 - San Juan, P. R.  La Junta  19-. 
 - v.  ill. 
<br/><br/> Description based on: 1979-1980. 
<br/><br/>Issued also in English: Environmental report. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Conservation of natural resources--Puerto Rico.<br/>Social problems.<br/>Pollution--Puerto Rico.<br/>Man--Influence of environment.