TY  - BOOK
AU  - Zonn, S. V. 
AU  - Victorova, Maya, tr. 
TI  - Tropical and subtropical soil science
U1  - 631.430913 
PY  - 1986///
CY  - Moscow
PB  - MIR
KW  - Soil science - Tropical
N1  - Includes index
ER  -