TY  - BOOK
AU  - Jenny,Hans
TI  - Factors of soil formation: a system of quantitative pedology 
SN  - 9780486681283
U1  - 551.305 20
PY  - 1994///
CY  - New York
PB  - Dover
KW  - Soil formation
KW  - Formación de suelos
N1  - Originally published: New York : McGraw-Hill, 1941. With new foreword; Includes bibliographical references and index
ER  -