Tetrahedra and Their Nets

by Derege Mussa

Folding circle Tetrahedra

by Bradford Hansen-Smith

No nine neighborly tetrahedra exist

by Joseph Zaks

Relations of the Regular Tetrahedron and the Regular Hexahed...

by Wilson Robb Woodmansee

Before the Golden Age

by Isaac Asimov, Edmond Hamilton

Kummer's quartic surface

by Ronald William Henry Turnbull Hudson

The eight corners of a cube form a very simple configuration; yet by joining alternate corners by the diagonals of the f...

Rationale Dreiecke, Vierecke und Tetraeder

by Fritz Neiss

Mémoire sur le tétraèdre

by Joseph Neuberg

The tetrahedron

by Dov Jarden

Tretʹi͡a problema Gilʹberta

by V. G. Bolti͡anskiĭ

Tretʹi︠a︡ problema Gilʹberta

by V. G. Bolti︠a︡nskiĭ

REGTET

by Javier Bernal

Geometrii︠a︡ tetraedra i ego elementov

by Z. A. Skopet︠s︡

Over in en om elkaar beschreven viervlakken

by Jacobus de Hullu

Über Tetraëder, deren Kanten eine Fläche zweiter Ordnung ber...

by Ernst Brand

Étude métrique des familles de tétraèdres et de figures appa...

by Geneviève Guitel

Uebertragung einer dreiecksaufgabe auf das tetraeder ..

by Ludwig, W.

Parmi les belles figures de la géométrie dans l'espace (ge...

by Victor Thébault

Hinge specification for a square-faceted tetrahedral truss

by Louis R. Adams

Sulle divisioni regolari dello spazio iperbolico in poliedri...

by Giovanni Sansone