Citation management tools allow a user to organize and retrieve information, such as citations for books, articles, and Web sites, by interfacing with library databases.
LIGHT: African violets are grown indoors. They like bright, but filtered, sunlight. Do not place in direct sun. They can also be grown under florescent lights. The lights are usually suspended 12 to 18 inches above the violet for 8 to 14 hours a day.
Antique violet ray set with glass electrode (left) and control box. When energized, the glass electrode emitted a violet glow (inset, center) Another electrode used with the same set. A violet ray is an antique medical appliance used during the early 20th century in the obsolete medical therapy called electrotherapy.