(1993). Organization of surveying and mapping in the Federal Republic of Germany: Lectures on the 32. DVW-Seminar for surveyors of Estonia, Latvia and Lithuania at the University of Latvia. Wittwer.
Chicago-Zitierstil (17. Ausg.)Organization of Surveying and Mapping in the Federal Republic of Germany: Lectures on the 32. DVW-Seminar for Surveyors of Estonia, Latvia and Lithuania at the University of Latvia. Stuttgart: Wittwer, 1993.
MLA-Zitierstil (9. Ausg.)Organization of Surveying and Mapping in the Federal Republic of Germany: Lectures on the 32. DVW-Seminar for Surveyors of Estonia, Latvia and Lithuania at the University of Latvia. Wittwer, 1993.
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