1
Published 1988
Springer Netherlands
Subjects: ...Group Theory and Generalizations...

2
Published 1995
Springer Netherlands
Subjects: ...Group Theory and Generalizations...

3
Published 1986
Springer Netherlands
Table of Contents: ...1. Why supersymmetry? -- 2. Why in de Sitter space? -- 3. Why group theory? -- 4. Background -- 5...