The book is "Map Projections - A Reference Manual" by Lev Bugayevskiy and John Snyder. However, although the formulas for the Gauss-Kruger projection and the modification to UTM are given, there is no formula given for conversion between zones.
You may find some useful links to software at http://everest.hunter.cuny.edu/mp/software.html. There are links to source code there so you may find what you need. John Dr. John F. Dehls Senior Geologist Geological Survey of Norway N-7491 Trondheim +47 73 90 44 54 +47 73 92 16 20 (fax) ********************************************************************** Norges geologiske unders�kelse Geological Survey of Norway Email: [EMAIL PROTECTED] http://www.ngu.no ********************************************************************** ----------------------------------------------------------- To make changes to your subscription, please visit our website, http://www.ermapper.com/technicl/ermapperl/index.htm
