TY  - BOOK
AU  - Williams,Allfie,
TI  - Textbook of Soil Science
SN  - 978-1-63549-001-5
U1  - J:1 
PY  - 2017///
CY  - New York
PB  - Larsen & Keller.
KW  - Soil study and teaching-Textbooks
ER  -