1
Multicomponent chromatography : theory of interference.
Book
Other Personal Name(s): ...Helfferich, F....
2
Chemie : eine Einführung.
Book
Other Personal Name(s): ...Helfferich, F....
3
Ionenaustauscher. 1. Grundlagen, Struktur, Herstellung, Theorie.
Book
Other Personal Name(s): ...Helfferich, F....