000 00386nam a2200133Ia 4500
008 180712s9999 xx 000 0 und d
020 _a955230119X
082 _a604.2
_bENG
245 _aENGINEERING drawing: computer aided draughting: introduction to computer
260 _aNawala
_bOpen University of Srilanka
_c1992
300 _a129 p.
650 _aEngineering drawing
942 _cS
999 _c14069
_d14069