1. Editorial announcement

   Announcement Pages: I - I

2. Consecutive colorings of graphs

   • D. de Werra
   • A. Hertz

   Papers Pages: 1 - 8

3. Complexity results for multicriterial and parametric network flows using a pathological graph of Zadeh

   • G. Ruhe

   Papers Pages: 9 - 27

4. Book review

   • W. Trockel

   BookReview Pages: 28 - 28

5. Planar three-index transportation problems with dominating index

   • A. D. Korsnikov

   Short Note Pages: 29 - 33

6. Book review

   • P. Kall

   BookReview Pages: 34 - 34

7. Designing an optimal resource recovery facility

   • M. R. Khan
   • T. Goldshmid
   • D. A. Lewis

   Papers Pages: 35 - 46

8. The concept of fuzzy sets with special regard to their linguistic interpretation — a solution for fuzzy problems?

   • S. Zelewski

   Papers Pages: 47 - 68

9. Book reviews

   • A. Wakolbinger
   • R. Horst

   BookReview Pages: 69 - 70