Phosphorus in the global environment  transfers, cycles and management 
Holm Tiessen 
 - England  John Wiley and sons ltd  1995 
 - xii, 462p.;  illus. bibliography and index 
<br/><br/><label>ISBN: </label>0471956910 
<br/><br/><label>Subjects--Topical Terms: </label><br/>environment
<br/><br/><label>LC Class. No.: </label>QH 545  / .P485 1995