@book{UBHD-3517608, publisher={Univ. de Santiago}, address={Santiago de Compostela}, year={1988}, pages={325 S.}, language={spa}, isbn={84-7191-447-6 and 978-84-7191-447-7}, number={ARRAY(0x55627533eb58)}, series={Cursos y congresos de la Universidad de Santiago de Compostela}, library={UB [Signatur: 89 A 1155::3] ; AG [Signatur: X 320]}, }