00611nam a2200181Ia 4500008004100000020001500041082001400056100001800070245002500088260005900113300000800172650003800180650003400218653002600252942001200278999001700290952012200307170901s1977    xx            000 0 und d  a0852983468  a660bS28A  aSemler, E. G. 0aAdvancing Technology  aLondonbMechanical Engineering Publications Ltd.c1977  a182  aChemical and Related Technologies  aTechnology (Applied sciences)  aIndustrial technology  2ddccBK  c18685d18685  00102ddc4070aRAUbRAUd2017-10-18eC.T.L., CalcuttafPOUNDg10.00l0o660 S28Ap24651r2017-10-18w1981-03-18yBK