00368nam a2200133Ia 4500 240521s1999 xx 000 0 und d 81-7029-969-1 eng 720.284 FREY D. AUTO CAD - 14, NO EXPERIENCE REQUIRED, THE 14 ESSENTIAL SKILLS. B.P.B PUB. B-14 CONNANGHT NEW DELHI 1999 631 1158403 1158403