EssOilDB: a database of essential oils reflecting terpene composition and variability in the plant kingdom. - Sangita Kumari; Sachin Pundhir; Piyush Priya; Ganga Jeena; Ankita Punetha; Konika Chawla; Zohra Firdos Jafaree; Subhasish Mondal; Gitanjali Yadav (Database J. Biol. Databases Curation, 2014)