@inproceedings{58c48f34660e44769ee5d9937108231a,
title = "Estimating the intact rock strength of a rock mass by simple means",
keywords = "ESA, ADLIB-ART-982",
author = "H.R.G.K. Hack and M. Huisman",
year = "2002",
language = "English",
pages = "1971--1977",
booktitle = "Proceedings of the 9th congress of the International Association for Engineering Geology and the Environment : Engineering geology for developing countries, 16-20 September 2002. pp. 1971-1977",
publisher = "International Association for Engineering Geology and the Environment",
address = "Germany",
}