000 00536cam a2200181 4500
008 090401t1986 xxu||||| |||| 00| 0 eng d
020 _a0919088201
035 _a(Sirsi) u12876
041 _aeng
050 _a526.9
110 _aFederation International Des Geometres
245 _aXVIII International Congress of Surveyors June 1 to 11, 1986, Toronto, Canada. Papers: commission 4 hydrographic surveying
260 _aOttawa
_bFIG
_c1986
300 _a318p. : ill. ; 21cm.
350 _a0
942 _n0
948 _c04/03/1997
999 _c87037
_d87037