Pleysier, J.L <br/><br/>
Soil sampling and sample preparation 

 - 2nd ed. 
 - Ibadan  IITA  1990 
 - 27p. :ill.; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solis:--Sampling
<br/><br/><label>LC Class. No.: </label>S598. P4 1990