GOTHMANN WILLIAM H, . (1999). DIGITAL ELECT. THEORY & PRACTICE 2ND EDITION. : PRENTICE HALL OF IND.
GOTHMANN WILLIAM H, . 1999. DIGITAL ELECT. THEORY & PRACTICE 2ND EDITION. : PRENTICE HALL OF IND.
GOTHMANN WILLIAM H, . DIGITAL ELECT. THEORY & PRACTICE 2ND EDITION. : PRENTICE HALL OF IND. 1999.