Metzner, Clifton G., <br/><br/>
Water quality issues of the san diego-tijuana border region :  A report and summary of the second water quality workshop, san diego, may 22, 1989 / 
By clifton g. metzner 
 - 17 páginas 
 - Border issues series ;  5 .
<br/><br/><label>ISBN: </label>0925613029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de calidad del agua--Región fronteriza mexicana-estadounidense
<br/><br/><label>LC Class. No.: </label>TD370  / M47