TY  - BOOK
AU  - Conklin,Alfred Russel
AU  - Meinholtz,Rolf
TI  - Field sampling: principles and practices in environmental analysis 
T2  - Books in soils, plants, and the environment
SN  - 0824754719
AV  - GE45.M84 C65
PY  - 2004///
CY  - New York
PB  - M. Dekker
KW  - Muestreo ambiental
ER  -