TY  - BOOK
AU  - Ashman,M.R.
AU  - Puri,Geeta
TI  - Essential soil science: a clear and concise introduction to soil science 
SN  - 0632048859 (pb. : alk. paper)
AV  - S591 .A84 2002
U1  - 631.4 
PY  - 2002///
CY  - Oxford, Malden, MA
PB  - Blackwell Science
KW  - Soil science
N1  - Includes bibliographical references (p. [186]-190)
UR  - http://www.e-streams.com/es0511/es0511_2156.html
ER  -