000 00437nam a2200157Ia 4500
008 230627s9999 xx 000 0 und d
020 _a0-944426-59-X
050 _aGY TA502.A47
245 0 _aACSM technical papers: cleveland, Ohio, September 17-21, 1989
260 _aFalls Church, Viginia
260 _bAmerican Congress on Surveying and Mapping
260 _c1989
300 _av,188p.
300 _c23cm.
650 _aSurveying
999 _c125429
_d125429