00505nam a2200145Ia 4500008004100000082003600041100003500077245007400112260002300186300000900209490003800218600001600256600003300272650005400305130903s9999    xx            000 0 und d  aTR 662.761.001.8(-77)(047)   L9  a G.R.Breag and A.E.Chittenden.  aProducer gas : its potential and application in developing countries.  aLondonbTDRIc1979  a16p.  aTropical Products Institute, G130  aBreag, G.R.  aChittenden, A.E., jt. author  aAgricultural Chemistry,Rural development,Industry