TY  - BOOK
AU  - Berkley,Earl E.
TI  - A study of the quality of abaca fiber,
T2  - United States. Dept. of Agriculture. Technical bulletin
AV  - S21 .A72 no. 999
U1  - 63.571 
PY  - 1949///
CY  - Washington
PB  - [U.S. Govt. Print. Off.]
KW  - Manila hemp
N1  - Cover title; Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering; "Literature cited": p. 56
ER  -