Reference- Dusan Dvorak, MMCA: Univerzita-Palackeho.blogspot.com, Cannabis-research.blogspot.com, Konopijelek.blogspot.com, Pravnistat,blogspot.com, Soudniznalec.blogspot.com, Bolsevici.blogspot.com, Echr-coe-int.blogspot.com, Svobodu.blogspot.com et European-cannabis.blogspot.com