The Halfspace Method for Causal Structures on Homogeneous Manifolds
J. Hilgert, in: K.H. Hofmann, J.D. Lawson, E.B. Vinberg (Eds.), Semigroups in Algebra, Geometry and Analysis, De Gruyter, Berlin, 1995.

Woodhouse, N.M.J. Geometric Quantization (Clarendon Press, 1992)
J. Hilgert, JBer. DMV 97 (1995).

Lie Theory and its Applcations in Physics
J. Hilgert, H.-D. Doebner, V.K. Dobrev, eds., Lie Theory and Its Applcations in Physics, World Scientific, 1995.

Symplectic Convexity Theorems, Lie Semigroups, and Unitary Representations
J. Hilgert, K.-H. Neeb, in: K.H. Hofmann, J.D. Lawson, E.B. Vinberg (Eds.), Semigroups in Algebra, Geometry and Analysis, De Gruyter, Berlin, 1995.

Compression Semigroups of Open Orbits on Real Flag Manifolds
J. Hilgert, K.-H. Neeb, Monatshefte Math. 119 (1995) 187–214.

Compression Semigroups of Open Orbits in Complex Manifolds
J. Hilgert, K.-H. Neeb, Arkiv För Mat. 33 (1995) 293–322.

Groupoid C*-Algebras of Order Compactified Symmetric Spaces
J. Hilgert, K.-H. Neeb, Japan. J. Math. 21 (1995) 117–188.

Wiener-Hopf Operators on Ordered Homogeneous Spaces
J. Hilgert, K.-H. Neeb, J. Funct. Anal. 132 (1995) 86–118.

Streitfragen der Mathematik in Forschung und Lehre
J. Hilgert, Mathematica Didactica 18 (1995) 93–108.

Maximality of Compression Semigroups
J. Hilgert, K.-H. Neeb, Semigroup Forum 50 (1995) 205–222.

Methode zur Modellierung der Informationsverarbeitung in Industrieunternehmen
D. Hornbostel, Methode Zur Modellierung Der Informationsverarbeitung in Industrieunternehmen, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 1995.

Bessel-type signed hypergroups on R
M. Rösler, in: Probability Measures on Groups and Related Structures XI (Oberwolfach 1994), World Scientific, 1995, pp. 292–304.