Boyd v. State , 811 S.W.2d 105 ( 1991 )
Ex Parte Walker , 1990 Tex. Crim. App. LEXIS 105 ( 1990 )
Ex Parte Duffy , 1980 Tex. Crim. App. LEXIS 1382 ( 1980 )
Ex Parte Walker , 1989 Tex. Crim. App. LEXIS 176 ( 1989 )
Strickland v. Washington , 104 S. Ct. 2052 ( 1984 )