PHILIPS(NOEL A) <br/><br/>
Search for Nitrifying Agents in Water and Soils as Sources of Nitrates in Surface Water 

 -  1978  Institute of Natural Resources 
 - 1-89  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT2        L8