Ernst, Richard
Dictionary of industrial technics - 4th rev. ed. - Weisbaden Oscar Brandstetter 1974-1975 - 1061 , xxivp. ; 1146, xxivp.
vol. 1 - German - English ; vol. II - English - German
3870970685
6(038)=30 / E7
Dictionary of industrial technics - 4th rev. ed. - Weisbaden Oscar Brandstetter 1974-1975 - 1061 , xxivp. ; 1146, xxivp.
vol. 1 - German - English ; vol. II - English - German
3870970685
6(038)=30 / E7