1. Lower bounds on information transfer in distributed computations;Abelson,1978
2. On notions of information transfer in VLSI circuits;Aho,1983
3. Geometric Algebra;Artin,1957
4. Combinatorics: Set Systems, Hypergraphs, Families of Vectors and Combinatorial Probability;Bollobas,1986
5. M. Hühne, personal communication.