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001 1615
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008 120911s9999 xx 000 0 und d
020 _a1566040078
082 _a620.0042 HEA
100 _aHead, George O
_945
245 _a1000 autocad tips & tricks / George O. Head & Jan Doster Head.-3rd ed.
260 _aChapel Hill, NC : Ventana Press, C1993.
300 _axlix, 686 p. : ill. ; 24 cm.
650 _aSystems engineering-mathematical models
_946
999 _c1615
_d1615