Fries K., Fink-Straube C., Mennig M., Schmidt H. (2004) Photochromic Coatings. In: Aegerter M.A., Mennig M. (eds) Sol-Gel Technologies for Glass Producers and Users. Springer, Boston, MA. DOI https://doi.org/10.1007/978-0-387-88953-5_33; Publisher Name Springer, Boston, MA; Print ISBN 978-1-4419-5455-8; Online ISBN 978-0-387-88953-5
Welaka, FL. Welaka is located close to the center of Florida. Welaka is part of Putnam County. Welaka has 1.48 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Welaka population is 752, which has grown 28.33% since 2000.
Okahumpka is a census-designated place (CDP) in Lake County, Florida, United States. The population was 251 at the 2000 census. It is part of the Orlando â Kissimmee Metropolitan Statistical Area. A service plaza on the nearby Florida's Turnpike is named after this town.