1532 20170111133627.0 10.1029/96EO00274 DOI SISMOimport-30 Camelbeeck, Thierry 1996 Large earthquakes in northern Europe more likely than once thought Meghraoui, Mustapha EOS, Transactions AGU 77 42 1996 405-409 http://www.agu.org/sci_soc/eoscamelbeeck.html published in REFERD