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.
Indian River County, Florida. Indian River County is a county located in the Treasure Coast region of the U.S. state of Florida. As of the 2010 census, the population was 138,028. Its county seat is Vero Beach. It is Florida's 7th richest county and in 2000 was the 87th richest county in the U.S. by per capita income.