"I am frequently asked, 'Now that you understand the science of running, what parts of the Lydiard system would you change?'
The fascinating aspect of finding exactly what was happening to me during training and racing all those years ago is that, typically, my answer is that I would not change anything."
'Peter Snell, From Olympian to Scientist' by Peter Snell and Garth Gilmore (2007).
Link: A lecture given by Arthur Lydiard 18 pages
Link: A nice short summary
Link: Arthur Lydiard's Athletic Training 45 pages