Grades and yields of rosin and turpentine from crude gum
By: by A.R. Shirley
Contributors: United States. Bureau of Agricultural Chemistry and Engineering
Series: ACE -- 5; ACE -- 5.
Publisher: U.S. Dept. of Agriculture, Bureau of Agricultural Chemistry and Engineering
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Gums and resins
Notes: Caption title