PROYECTO ESPOL-KBIN (BELGICA): GEO BIOCHEMICAL STUDY OF SEDIMENTS AND WATER MASS IN THE REGION OF GUAYAQUIL-GUAYAS ESTUARY AND ESTERO SALADO 

 - 1A ED. 
 - Bélgica  International Scientific Cooperation  1950 S.L. 
 - 40 
<br/><br/> D-17650 S/ 30.000 RECT. BIBL.97.12.30  FOLLETO 
<br/><br/><label>LCCN: </label>2059 
<br/><br/><label>Dewey Class. No.: </label>628