000 00297nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aJan A Van der Westhuizen
245 _aDrawing for civil engineering 2nd ed
260 _bMedtech Scientific Publishing Pvt. Ltd.
260 _c2017
300 _a254
999 _c7045
_d7045