1. Worst-case analysis of a new heuristic for the Travelling Salesman Problem;Christofides,1976
2. Big omicron and big omega and big theta;Knuth;SIGACT news,1976
3. On triangulations of a set of points in the plane;Lloyd;Proc. 18th Annual IEEE Conference on the Foundations of Computer Science,1977
4. A fast, space-efficient average-case algorithm for the ‘greedy’ triangulation of a point set, and a proof that the greedy triangulation is not approximately optimal;Manacher;Proc. Sixteenth Annual Allerton Conference on Communication, Control and Computing,1978
5. Combinatorial Algorithms, Theory and Practice;Reingold,1977