1. Australian Surveying and Land Information Group, Canberra, August 1999,62 pages
2. THE GEODETIC ADJUSTMENT OF AUSTRALIA, 1963–1966
3. Carosio , A. and Ebneter , F. Geodetic Methods, Mathematical Models and Quality Management for Underground Surveying in the Swiss Alptransit Project . Proc., Commission 5, 21st International Congress (FIG’98), International Federation of Surveyors . July 19–25 1998 , Brighton . Vol. 6 , pp. 407 – 426 . UK