Hesse, P. R. <br/><br/>
A textbook of soil chemical analysis 
P. R. Hesse 
 - London  John Murray  1971 
 - xxiii, 520 pages :    illustration, ;    26 cm. 
<br/><br/>p. 483-512 
<br/><br/><label>ISBN: </label>0820602426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis<br/>Soil chemistry