1. Thank Evans!;Andersen,1983
2. Embedding partial Steiner triple systems;Andersen,1980
3. A solution to the embedding problem for idempotent latin squares;Andersen;J. London Math. Soc.,1982
4. Small embeddings of incomplete idempotent latin squares;Andersen;Ann. Discrete Math.,1983
5. Graph Theory with Applications;Bondy,1982