TY - RPRT TI - The character of long-term eruptions: Inferences from episodes 50-53 of the Pu'u 'Ō'ō-Kūpaianaha eruption of Kīlauea volcano AU - C. C. Heliker AU - M. T. Mangan AU - T. N. Mattox AU - J. P. Kauahikaua AU - Rosalind Tuthill Helz PY - 1998 DO - 10.1007/s004450050198 UR - https://pubs.usgs.gov/publication/70021071 ID - 70021071 ER -