TY  - BOOK
AU  - J. Dewis
AU  -  F. Freitas, 
TI  - Physical and chemical methods of soil and water analysis
SN  - 92-5-102010-8
U1  - 631.44 
PY  - 1984///
CY  - Rome
PB  - Food and Agriculture Organization of the United States
N1  - J. Dewis & F. Freitas: Physical and chemical methods of soil and water analysis.  Rome.  Food and Agriculture Organization of the United States, 1984. 92-5-102010-8--(631.44DEW)
ER  -