000 00311nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _aNULL
082 _a526 9 WHY
100 _aWhytz, W. S
245 0 _aRevision notes on plane surveying
260 _aButterworths
_b1971
650 _aNULL
942 _cANF
999 _c315761
_d315761