1. Leaf variation among Cannabis species from a controlled garden;Anderson;Harvard University Botanical Museum Leaflets,1980
2. Variation in the THC content in illicitly imported Cannabis products. Part II;Baker;Bulletin on Narcotics,1982
3. Illicitly imported Cannabis products: some physical and chemical features indicative of their origin;Baker;Bulletin on Narcotics,1980
4. Cannabinoid level in the leaves as a tool for the early discrimination of Cannabis chemiovariants;Barni-Comparini;Forensic Science International,1984