1. Berg, Ch., J. P. R. Christensen, andP. Ressel: Positive definite functions on Abelian semigroups. Math. Ann.223, 253?272 (1976).
2. Dettweiler, E.: The Laplace transform of measures on the cone of a vector lattice. Math. Scand. (To appear.)
3. Hoffmann-Jørgensen, J.: On completely monotone functions onC +(X). University of Aarhus, Preprint Series No. 13. 1975/76.
4. Kallenberg, O.: Random Measures. London-New York-San Francisco: Academic Press: Berlin: Akademie-Verlag. 1976.
5. Kerstan, J., K. Matthes, andJ. Mecke: Unbegrenzt teilbare Punktprozesse. Berlin: Akademie-Verlag. 1974.