TY  - BOOK
AU  - Trudgill, Stephen T. 
TI  - Soil and vegetation systems 
SN  - 0198740581
U1  - 631.41 TRU  
PY  - 1977///.
CY  - Oxford : 
PB  - Clarendon Press, 
KW  - Mineral cycle (Biogeochemistry)
KW  - Plant-soil relationships
KW  - System analysis
N1  - Includes index.
ER  -