TY  - BOOK
ED  - 3G E-Learning.
TI  - Principles of soil science
SN  - 9781984638601
U1  - 631.4 
PY  - 2020///
CY  - New York
PB  - 3G E-Learning LLC, 
KW  - Soil science
KW  - Soils
N1  - Includes bibliographical references and index.
ER  -