TY  - BOOK
AU  - Ramann, E.
AU  - Whittles, C.L., tran.
TI  - The evolution and classification of soils
U1  - 631.44 21st ed.
PY  - 1928///
CY  - Cambridge
PB  - W. Heffer
KW  - Soils-Classification
N1  - 119-28 includes index
ER  -