Error mechanisms for convolutional codes. - Edward A. Bucher (1968)

Sequential decoding of systematic and nonsystematic convolutional codes with arbitrary decoder bias. - Edward A. Bucher (IEEE Trans. Inf. Theory, 1970)

Error probability bounds for systematic convolutional codes. - Edward A. Bucher; Jerrold A. Heller (IEEE Trans. Inf. Theory, 1970)