Author

Detlef Hardorp

2 books found

Cover of Anthroposophy

Anthroposophy

Rudolf Steiner, Robert Sardello, James A. Dyson, Catherine E. Creeger, Detlef Hardorp · First published 1996

Cover of All compact orientable three dimensional manifolds admit total foliations

All compact orientable three dimensional manifolds admit total foliations

Detlef Hardorp · First published 1980