@article{27145, author = "IUGG XX General Assembly IAG, Vienna, August 11-24, 1991", title = "Report of the Geodetic Works in Japan during the Period from January 1987 to December 1990. National Report to the 20 General Assembly, Vienna, Austria, 11-24 August, 1991 ", year = "1991", note = "Liter. - Tab. v textu. - Obr. v příl.", }