Preview Images of Calender 1989

Cover of Calender 1989, A. Schoen's S'-S'' Minimal Surface

Preface to Calender 1989

January 1989, Hexagonal Piece of H'-T Minimal Surface

February 1989, Minimal Surface in Prism

March 1989, Helicoid in Hyperbolic Space

April 1989, H.A. Schwarz's H Minimal Surface

May 1989, Helicoidal Monkey Saddle Tower

June 1989, I-Wp Minimal Surface in a Cube

July 1989, Tower of CLP Minimal Surface

August 1989, H.A. Schwarz' P Surface in Cuboids

September 1989, Larger Piece of H Surface

October 1989, 3-Enneper Surface in Hyperbolic Space

November 1989, Different View of H'-T Surface

December 1989, S'-S'' Surface of A. Schoen

Appendix 1989, page 1

Appendix 1989, page 2, Boy Surface - Imbedding of Projective Plane with Triple Point

Appendix 1989, page 3, Boy Surface - Imbedding of Projective Plane with Triple Point

Appendix 1989, page 4, Boy Surface - Imbedding of Projective Plane with Triple Point