Directory of water pollution research laboratories. 

 - [Paris] :  Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs, Central Service for International Co-operation in Scientific Research,  [1965] 
 - 519 σ. ;  24 εκ. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Νερό--Ρύπανση--Έρευνα--Κατάλογοι.<br/>Water--Pollution--Research--Directories.
<br/><br/><label>Dewey Class. No.: </label>628.168