00266nam a2200109Ia 4500008004100000041000800041082001400049100001500063245006100078260000900139300000800148211209s1977    xx            000 0 und d  aeng  a669.1 AND  aANDONYEV S  aDUST AND FUME GENERATION IN THE IRON AND STEEL INDUSTRY   c1977  a223