Single Rope Techniques
Single Rope Techinique (SRT) is a very commonly used method for ascending and descending vertical sections known as pitches in Caves and Mines.
The technique started to become an established method of progression in the early 1980's
Alpine Caving Techniques: A Complete Guide to Safe and Efficient Caving by George Marbach, Bernard Tourte, and Melanie Alspaugh /Alpine Caving Techniques
Caving Practice and Equipment (Paperback) by David Judson
A manual of modern cave rescue practices. Dr Merchant et al.