TY - BOOK T1 - Rocks T2 - The active earth A2 - Crisp, Tony LA - English PP - Walton-on-Thames PB - Nelson YR - 1987 ED - New ed., reprinted UL - https://gei-testing-vufind.eww-server.de/Record/gei564363642 SN - 017434211X KW - Schulbuch ER -