- 1Mikael Hard
Machines are frozen spirit : the scientification of refrigeration and brewing in the 19th century - A ceberian interpretation
Boulder: Westview Press 1994; 275 S. : Ill.
Kältetechnik; Geschichte 1800-1900; Getränkeherstellung - 2A Westview special study
Boulder, Colorado: Westview Press - 3Luc Kiers
The American steel industry : problems, challenges, perspectives
Boulder, Colorado: Westview Press 1980; xv, 176 Seiten; Illustrationen
Eisen- und Stahlindustrie; USA