TY  - RPRT
A1  - Davis, R.O.E.
A1  - Hammond, B.H.
T1  - Grouping of soils on the basis of mechanical analysis
Y1  - 1927
UR  - https://archive.org/details/groupingofsoilso419davi
CY  - Washington D
T3  - Department Circular 419

ER  -