TY  - BOOK
AU  - Lal, Rattan ed.
TI  - Encyclopedia of soil science
SN  - 0-8247-0634-X
U1  - 631.403 
PY  - 2002///
CY  - New York
PB  - Marcel Dekker
KW  - Soil machines- Encyclopedia
KW  - Soil science- Encyclopedia
N1  - Includes bibliographical references and index; TBS, Delhi
ER  -