000 00250nam a2200109Ia 4500
008 160710s1955 xx 000 0 und d
100 _aMEPHERSON,D.N. & RAY,P.N.
245 _aSURVEYING
260 _bMCDONALD
_c1955
300 _a158
942 _2ddc
_cB
999 _c16105
_d16105