Fritzsch, Harald, (1943-2022.)

Escape from Leipzig / by: Germany (East); Fritzsch, Harald, (1943-2022.); Hooft, G. 't; Political refugees; Heusch, Karin. (Language materials, printed)

Microcosmos : = the world of elementary particles : fictional discussions between Einstein, Newton, and Gell-Mann / by: Fritzsch, Harald, (1943-2022.); Firtzsch, Harald,; Rostant, Jeanne, (Language materials, printed)