00495nam a2200169 4500 20150421143838.0 000 UOEL TP324.K33 H8 Huby, Meg Where you can `t see the wood for the trees : extension methods in rural woodfuel development Meg Huby Sweden Beijer Institute 1990 82 p. ill. KWDP series on Rural Woodfuel Development Wood Chemical technology lcc LL 5993 5993