1. Cannabis: Evolution and Ethnobotany;RC Clarke,2013
2. Common scents: The intersection of the plain smell and common enterprise doctrines;R Goetzl;Am Crim L Rev,2013
3. Marijuana odor from north Boulder grow irks neighbors, draws $14,000 in fines;A Burness;The Daily Camera,2016
4. All About The Competition: The US Michigan Cannabis Cup 2017. The Official Rules, Regulations & FAQ. https://www.cannabiscup.com/competition
5. Mendocino County divided into cannabis appellations;C Sweeney;North Bay Business Journal,2016