TY  - BOOK
AU  - Singh,A.K.
TI  - Environmental soil science
SN  - 8181892798
U1  - 631.4 21
PY  - 2000///
CY  - New York
PB  - M. Dekker
KW  - Soils
KW  - Soil science
N1  - Includes bibliographical references (p. 401-420)
ER  -