TY  - BOOK
AU  - Coppen, J.J.W., Greenhalgh, P.  
AU  -  Simth, A.R.
TI  - Gum Naval Stores : an Industrial Profile of Turpentine & Rosin Production From Pine Resin  187
U1  -  COP 
PY  - 1984///
CY  - London
PB  - Tropical Development & Research Institute
ER  -