TY - GEN AU - Yoshiyuki, Miyashita, ID - 4898 KW - COMPUTER SOFTWARE PROTECTION KW - WIPO KW - UNITED STATES OF AMERICA KW - COPYRIGHT PROTECTION KW - INTERNATIONAL PROTECTION T1 - International protection of computer software / TI - International protection of computer software / VL - 1991 XI No 1 pages 41-73 ER -