1.
- 7th international conference on experimental ulcer : Berlin, October 15-18, 1991. Abstracts / edit. K. Fr. Sewing. 1991. Vol. 49, Suppl. 1 - Basel : Karger, 1991 - 58 s.(Digestion; Suppl. 1) [1, currently available 0, at library only 1]
- Chapters, articles