All the information needed to run NETWRK and interpret the results is contained in the file NETWRK.DOC. Please read before running the programs. NETWRK is Copyright, 1987 by Robert E. Ulanowicz. It is intended solely for academic and personal use. Anyone wishing to use NETWRK for commercial purposes should contact the author prior to such use. Failure to do so will constitute a Copyright infringement. All publications deriving from the use of NETWRK should bear reference to the following publication: Ulanowicz, R.E. and J.J. Kay. 1991. A package for the analysis of ecosystem flow networks. Environmental Software 6:131-142. The user is encouraged to copy and share this software with colleagues, subject to the above conditions. A copy of this file should accompany the software. All questions and comments about the program may be sent to: Robert E. Ulanowicz University of Maryland Chesapeake Biological Laboratory Solomons, Maryland 20688-0038 USA Internet: ulan@cbl.umd.edu