Appenzeller, I., Bender, R., Böhm, A., Frank, S., Fricke, K., Gabasch, A., Heidt, J., Hopp, U., Jäger, K., Mehlert, D., Noll, S., Saglia, R., Seitz, S., Tapken, C., & Ziegler, B. (2004). Exploring cosmic evolution with the FORS deep field. The ESO Messenger, 116, 18-24. Retrieved from http://www.eso.org/gen-fac/pubs/messenger/archive/no.116-jun04/mess-fors.pdf.