Backcalculation of the number infected with Human Immunodeficiency Virus in Germany
In: Journal of Acquired Immune Deficiency Syndromes, Jg. 7 H. 1, S. 74-781994
Balanced local rings with commutative residue fields
In: Bulletin of the American Mathematical Society, Jg. 78 H. 5, S. 771-7751972




Binary polyhedral groups and Euclidean diagrams
In: Manuscripta mathematica, Jg. 31 H. 1-3, S. 317-3291980

The bipolarity of personal constructs
In: International journal of personal construct psychology, Jg. 3, S. 149-1651990
Bis-quaternary ammonium salts as phase transfer catalysts
In: Tetrahedron Letters, Jg. 30 H. 13, S. 1683-16861989


