Documentation: 

NSN                     Digrams of various NSN interconnections
EarthwormTips.txt       Hints on earthworm 
SeedLinkTips.txt        Hints on seedlink
Short_SL07-1.doc        Short guide to SARA SL07
processing_earthquake_data.pdf  A preliminry version of the book " Routine
                        data processing in earthquake seismology" published
                        by Springer, 2010