00274nam a2200109Ia 450000500170000008000180001710000210003524500530005626000260010930000100013558300190014520260716043041.0  a19.02.03 W187  aWall, R.A. comp.  aCopyright in industrial and commercial libraries  bAslibaLondonGBc1989  a14 p.  c3/7/00kM2LMGR