New rate 1/2, 1/3, and 1/4 binary convolutional encoders with an optimum distance profile. - Rolf Johannesson; Per Ståhl (IEEE Trans. Inf. Theory, 1999)

Optimal and near-optimal encoders for short and moderate-length tail-biting trellises. - Per Ståhl; John B. Anderson; Rolf Johannesson (IEEE Trans. Inf. Theory, 1999)

A note on type II convolutional codes. - Rolf Johannesson; Per Ståhl; Emma Wittenmark (IEEE Trans. Inf. Theory, 2000)

On Tailbiting Codes from Convolutional Codes. - Per Ståhl (2001)

A Note on Systematic Tailbiting Encoders. - Per Ståhl; Rolf Johannesson (Probl. Inf. Transm., 2002)

Tailbiting codes: Bounds and search results. - Irina E. Bocharova; Rolf Johannesson; Boris D. Kudryashov; Per Ståhl (IEEE Trans. Inf. Theory, 2002)

A note on tailbiting codes and their feedback encoders. - Per Ståhl; John B. Anderson; Rolf Johannesson (IEEE Trans. Inf. Theory, 2002)