00326nam a2200121Ia 4500008004100000020001500041041001200056100002700068245006100095260003000156300000800186650001000194221030s9999    xx            000 0 und d  a9385998614  aEnglish  aJ. A. V. D. Westhuizen 0aDrawing for Civil Engineeringcby J. A. V. D. Westhuizen  bMed TechaNew Delhic2017  a254  aCivil