A walk through Tunnel - References


1D. Loeffler, Drawing up cave surveys by computer: the Tunnel software suite, Compass Point 35 2006 11-16
2Wookey, Therion - State of the art cave-drawing software, Compass Point 33 2004 5-12
3L. Blaek, Therion for plain cavers, Web , http://www.infonegocio.com/tatel/therion_for_cavers.txt
4S. Mudrak, M. Budaj, The Therion book, Web , http://therion.speleo.sk/stats/get.php?filename=thbook.pdf
5O. Bett, Wookey, Survex 1.0.39 Manual: survex datafile, Web , http://www.survex.com/docs/manual/datafile.html


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6Rosetta Stal, homepage, Web , http://www.resurgentsoftware.com/rosettastal.htm


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