Krause, Heinrich R., <br/><br/>
Investigation of the descomposition of organic matter in natural waters. 

<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUAS--ANALISIS.<br/>MATERIA ORGANICA--DESCOMPOSICION.<br/>MATERIA ORGANICA--DISUELTA.
<br/><br/><label>Dewey Class. No.: </label>FOLLETOS