Christian Ratsch/ Claudia Muller-Ebeling
(2)
Albert Hofmann/ Christian Ratsch (FRW)
(1)
Christian Ratsch/ Albert Hofmann (FRW)/ John R. Baker (TRN)
(1)
Christian Ratsch/ John Baker (TRN)
(1)
Claudia Muller-Ebeling/ Christian Ratsch/ Surendra Bahadur Shahi/ Mohan Rai/ Indra Doj Gurung
(1)
Claudia Muller-Ebeling/ Christian Ratsch/ Wolf-Dieter Storl
(1)
Ralph Metzner/ Barbel Kreidt (CON)/ Norbert Mayer (CON)/ Christian Ratsch (CON)/ Marija Gimbutas (FRW)
(1)
Richard Evans Schultes/ Albert Hofmann/ Christian Ratsch
(1)