TY - BOOK AU - Spoor,J.H. AU - Cornish,W.R. AU - Nolan,P.F. TI - Copies in copyright SN - 9028603506 PY - 1980/// CY - Alphen aan den Rijn PB - Sijthoff & Noordhoff KW - Photocopying processes KW - Fair use (Copyright) N1 - Includes index ER -