TY  - BOOK
AU  - Landon, J.R
TI  - Booker tropical soil manual: a handbook for soil survey and agricultural land evaluation in the tropics and subtropics
SN  - 0582005574
U1  - 631.4713 
PY  - 1981///
CY  - Essex
PB  - Longman
KW  - Soil science
ER  -