TY - BOOK AU - R Lal TI - Tropical ecology and physical edaphology SN - 0-471-90815-0 U1 - 574.52623 PY - 1987/// CY - Chichester PB - John Wiley and Sons N1 - R Lal: Tropical ecology and physical edaphology. Chichester. John Wiley and Sons, 1987. 0-471-90815-0--(574.52623LAL) ER -