(1) Research Institute of Geodesy, Topography and Cartography, Zdiby
Abstract:
¶rt;aammum nmu nu mmu u m, m¶rt;um m nmam nuu n. ¶rt;uu um¶rt;m nam m. . ¶rt;uu¶rt;, m¶rt;um nm ¶rt;aum nuu nmuaa u a. u uuu mmu¶rt;a nma ¶rt;u¶rt;um nnau a muu.Paper presented at the IUGG XVII Plenary Meeting, Canberra, Dec. 1979.