There are many machines one could choose to ride through the Western Australian desert in the early 80s. By all accounts Murray is not completely nuts, but he did choose a Guzzi Le Mans.
Muzza, as he's known to many, has a a background in road-racing and has written tomes about the sport and its personalities, with a strong focus on Australia.
He began creating Ozebook when the internet was but a pup, in 1996. You'll be hard-pressed to find anything published earlier about motorcycles.
His pages cover almost all known Australian marques (there are, surprisingly, hundreds of them), along with articles and snippets on a great many more from Europe, the USA, Japan and pre-revolutionary Russia.