L Liu

TRAF OPERATING SYSTEM USER'S GUIDE

R B Goldblatt, Edward B Lieberman, B J Andrews, 1980 .

A HYPERMEDIA MODEL BASED ON GRAPHICS AND ITS IMPLEMENTATION

L Liu, 1994 .

OPTIMIZATION AND TESTING OF STERN TUBE SEALING SYSTEMS

L Liu, J Mao, 1987 .

A PRACTICAL COMPUTER SYSTEM FOR MICRODENSITOMETER

L Liu, 1982 .