TY  - BOOK
AU  - Ross,Sheila
TI  - Soil processes: a systematic approach 
SN  - 0415002052
PY  - 1989///
CY  - London
PB  - Routledge
KW  - Soils formation
KW  - Soil science
KW  - Soil management
N1  - Includes bibliographies and indexes
ER  -