Computer and communications security :
Cooper, James Arlin.
Computer and communications security : strategies for the 1990s / James Arlin Cooper. - New York : Intertext Publications, McGraw-Hill, c1989. - xix, 411 p. : ill. ; 24 cm. - McGraw-Hill communications series .
Computer and communications security : strategies for the 1990s / James Arlin Cooper. - New York : Intertext Publications, McGraw-Hill, c1989. - xix, 411 p. : ill. ; 24 cm. - McGraw-Hill communications series .