AIZPURUA, M. Zarautz inguruko erleen polen-ekarpenaren azterketa / M. Aizpurua. -- [s.l. : [s.n.], 1987 - 105 p. Subjects--Topical Terms: AbejasPolenZarautz Universal Decimal Class. No.: 638.178.2(460.154) ; 581.162(460.154)