[±âȹ¼] An Introduction to Cryptography - ¹Ì¸®º¸±â¸¦ Âü°í ¹Ù¶ø´Ï´Ù. / An Introduction to Cryptography Copyright ¨Ï 1990-1998 Network Associates, Inc. and its Affiliated Companies. All Rights Reserved. PGP*, Version 6.0 8-98. Printed in the United States of America. PGP, Pretty Good, and Pretty Good Privacy are registered trademarks of Network Associates, ¡¦
R&D DIRECTIONS OF SUPER-SPEED MAGLEV SYSTEMS / * R&D Directions of Super-speed Maglev Systems for Positive Public Acceptance Hyung Suk Han Head, Department of Magnetic Levitation and Linear¡¦