At the occasion of its 25th anniversary in 1999, ITA has published a commemorative book tracing the Association evolution.

This booklet also includes articles related to the different topics of tunnelling written by all the past ITA Presidents.

This booklet (60 pages) is free of charge. You have only to pay the postage costs.

The different articles written by the past presidents can also be downloaded here:

	ITA the professional dimension by Sir Alan Muir Wood (pdf size 15 kb)
	Planning and Underground space by Prof. Hans Christian Fisher (pdf size 506 kb)
	The viewpoint of clients & operators by Prof.Günter Girnau (pdf size 55 kb)
	Further advancing the “Art of the possible” by Jack Lemley (pdf size 38 kb)
	Rock tunnelling by Prof .Einar Broch (pdf size 26 kb)
	Finance and contracting practices by Colin J. Kirkland (pdf size 18 kb)
	Urban tunnelling, challenges & progress by Prof. Z. Eisenstein (pdf size 18 kb)
	TBM bored long rock tunnels by Prof. Sebastiano Pelizza (pdf size 215 kb)
	Political & social aspects of present & future tunnelling by Prof. Alfred Haack (pdf size 909 kb)

All these documents are in PDF format and require Acrobat Reader software.