TY - RPRT TI - Notification procedures for Kamchatka volcanic eruptions; a case history of Sheveluch volcano, April, 1993 AU - T. P. Miller AU - V.Y. Kirianov PY - 1993 DO - 10.3133/ofr93569 UR - https://pubs.usgs.gov/publication/ofr93569 ID - ofr93569 ER -