- Instruments and Measurements: Chemical Analysis, Electric Quantities, Nucleonics and Process Control: v. 2 by Helge Von Koch, Gregory Ljungberg, 1961-12
- Instruments and Measurements: Chemical Analysis, Electric Quantities, Nucleonics and Process Control, Vol. 2 (Proceedings Fifth International Instruments & Measurements Conference, Sep 1960, Stockholm, Sweden) by Helge; Ljungberg, Gregory; Reio, Vera (editors) von Koch, 1961-01-01
- Föreläsningar Öfver Teorin För Transformationsgrupper (Swedish Edition) by Helge Von Koch, 2010-01-09
- Instruments and Measurements: Chemical Analysis, Electric Quantities, Nucleonics and Process Control, Vol. 1 (Proceedings Fifth International Instruments & Measurements Conference, Sep 1960, Stockholm, Sweden) by Helge; Ljungberg, Gregory; Reio, Vera (editors) von Koch, 1961-01-01
- Mathématicien Suédois: Ivar Fredholm, Albert Victor Bäcklund, Waloddi Weibull, Gösta Mittag-Leffler, Helge Von Koch, Johan Håstad (French Edition)
- Instruments & Measurements 2vol by Helge Von Koch, 1961
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