000 00305nam a2200121Ia 4500
008 220201s1960 xx 000 0 eng d
082 _a526.9
_bKNI
100 _aKnight, Bernard H
245 0 _aSurveying & levelling for students
260 _bContractors Record Ltd
_c1960
300 _a163
942 _2ddc
999 _c71160
_d71160