Definition and use of the phi grade scale
By: by R.D. Hobson
Contributors: Coastal Engineering Research Center (U.S.)
Series: Coastal engineering technical aid -- no. 79-7
Publisher: U.S. Army, Corps of Engineers, Coastal Engineering Research Center; National Technical Information Service, Operations Division [distributor
Published: 1979
Place of publication: Fort Belvoir, Va; Springfield, Va
Language: eng
Number of pages: 18
Subjects: Particle size determination; Soils -- Classification
Notes: Cover title

"November 1979."

Bibliography: p. 18