TY  - GEN
AU  - Chudnoff, M.
AU  - Maldonado
ED  - Puerto Rico
TI  - Preservative treatments and service life of fence posts in Puerto Rico
U1  - Pam 674.1 
PY  - 1964///
CY  - [Washington, D.C.]
PB  - Forest Service, U.S. Department of Agriculture
N1  - (On cover)
ER  -