@BOOK{NAP18461, author = "National Research Council", title = "Underground Mine Disaster Survival and Rescue: An Evaluation of Research Accomplishments and Needs", doi = "10.17226/18461", url = "https://nap.nationalacademies.org/catalog/18461/underground-mine-disaster-survival-and-rescue-an-evaluation-of-research", year = 1981, publisher = "The National Academies Press", address = "Washington, DC" }