Coppen, J. J. W. Gum naval stores : turpentine and rosin from pine resin / J.J.W. Coppen and G.A. Hone. - Rome : FAO of the United Nations, 1995. - ix, 62 p. - Non-wood forest products ; . 2 . ISBN: 9251036845 Subjects--Topical Terms: Gums and resins.Gums.Gums and resins industry.