Soils and bases : characteristics, classification, and planning 16 reports prepared for the 51st Annual Meeting.
| Awduron Corfforaethol: | , , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington
Highway Research Board
D.C., 1972.
|
| Cyfres: | Highway research record
no. 405. |
| Pynciau: |