00345nam a2200109Ia 4500008004100000082001700041100002000058245002400078260003500102630001800137650008000155211122s9999||||xx |||||||||||||| ||und||  a537.5bKUM-D  aKumar, Virendra 0aDigital Electronics  bAcademic PressaNew Yorkc2002  xGeneral Stack  asciencevnatural sciences and mathematicselectricity and electronicsPhysics