* 1 code is constructed in:
A. Baartmans and V. Yorgov, "Some new extremal codes of length 76 and 78",
7th Int. Workshop Alg. and Combin. Coding Theory, 18-24 June,
Bumgaria (2000), pp. 51-54.
* 1 code is constructed in:
P. Gaborit and A. Otmani, "Experimental constructions of
self-dual codes", preprint