Rolfsen - Knot Theory and Manifolds Proceedings of a Conference held - X555z

Jain - Non-Commutative Ring Theory Proceedings of a Conference Held i - X555z

Jungnickel - Combinatorial Theory Proceedings of a Conference Held at - X555z

Kegel - Group Theory Proceedings of a Conference held at Brixen/Bres - X555z

Borowiecki - Graph Theory Proceedings of a Conference Held in Lagow - X555z

Benoit - Dynamic Bifurcations Proceedings of a Conference held in Lu - X555z

Bueso - Ring Theory Proceedings of a Conference held in Granada Spa - X555z

Morrel - K-Theory and Operator Algebras Proceedings of a Conference - X555z