00409nam a2200121Ia 4500008004100000082003300041245005500074260002300129300000900152490006000161600002200221650004400243130903s9999    xx            000 0 und d  aTR 663.3.04:662.71(047)   M0  aThe construction of a transportable Charcoal Kiln.  aLondonbTDRIc1980  a20p.  aTropical Products Institute; Rural Technology Guide, 13  aWhitehead, W.D.J.  aAppropriate technology,Rural Technology