@book{ ALGUACIL_Havskov-,
author = { ANGEL GERARDO ALGUACIL DE LA BLANCA and Jens Havskov- } ,
title = { INSTRUMENTATION IN EARTHQUAKE SEISMOLOGY },
publisher = { Springer },
address = { DORDRECHT, },
year = { 2004 },
isbn = { 1-4020-2968-3 },
}