1. Stop-loss cover and experience rating;Ammeter;Proceedings of the International Congress of Actuaries,1960
2. Risikotheoretische Grundlagen der Erfahrungstarifierung;Ammeter;Mitteilungen der Vereinigung schweiz. Vers. math.,1961
3. Spreading of exceptional claims by means of an internal stop-loss cover;Ammeter;ASTIN Bulletin,1963
4. An upper bound for the net stop-loss premium;Bowers;Transactions of the Society of Actuaries,1969
5. Some inequalities for stop-loss premiums;Bühlmann;ASTIN Bulletin,1977