TY - BOOK AU - Unwin, A. Harold TI - The rationalization and conservation of the timber resources of the world, mainly with reference to the amelioration of the "special areas" in the woodcraft, wood working trades, timber producing and timber using industry of Great Britain and everywhere U1 - P 634.98 21st ed. PY - 1937/// CY - London PB - Technical Press KW - Forests and forestry ER -