@misc{tilling_2018_1258431, author = {Tilling, Robert I. and Bailey, Roy A.}, title = {Volcano hazards program in the United States}, month = jun, year = 2018, publisher = {Zenodo}, doi = {10.1016/0264-3707(85)90045-6}, url = {https://doi.org/10.1016/0264-3707(85)90045-6} }