Haffner, P. (2010). Grün ist die Hoffnung. Das Magazin : Gratisbeilage zu Tages-Anzeiger und Berner Zeitung, (41; 16.10.2010), 18–38.
Keywords: cannabis; agriculture and farm production; drug market; business and industry; drug legalization; legislative process; medical use of marijuana; law enforcement; police; United States; California