Set up in 1975, the group has completed its work in 2002.
Publications
- Published in 2004
- Author Working Group 4
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- Published in 2002
- Author Working Group 4
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- Published in 2002
- Author Working Group 4
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- Published in 2000
- Author Working Group 4
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- Published in 1991
- Author Working Group 4
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Legal and Administrative Issues in Underground Space Use: a Preliminary Survey of ITA Member Nations
- Published in 1991
- Author Working Group 4
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- Published in 1986
- Author Working Group 4
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- Published in 1986
- Author Working Group 4
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- Published in 1986
- Author Working Group 4
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