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	Base de datos	Solicitud de búsqueda	No. de registros
	IFOP	W-subjects= bentonicos	23
	IFOP	W-subjects= demersales	530
	IFOP	W-subjects= bentonicos	23
	IFOP	W-subjects= demersales	530
	Ex Libris University	W-Materia= crustaceos	0
	IFOP	W-subjects= demersales	530
	IFOP	W-subjects= pelagicos	11
	Oxford (Z39.50)	Z39.50 gate error: Connection refused by the Z39.50 target.	0
	Oxford (Z39.50)	Z39.50 gate error: Connection refused by the Z39.50 target.	0
	IFOP	W-subjects= crustaceos	408
	IFOP	W-subjects= bentonicos	23
	Ex Libris University	W-Materia= pelagicos	0
	IFOP	W-subjects= bentonicos	23
	IFOP	W-subjects= bentonicos	23
	IFOP	W-year= 1980->2000 and W-subjects= ( bentonicos )	9
	Ex Libris University	W-Materia= demersales	0
	Ex Libris University	W-Materia= pelagicos	0
	Ex Libris University	W-Materia= bentonicos	0
	Ex Libris University	W-Materia= pelagicos	0
	Ex Libris University	W-Materia= demersales	0
	IFOP	W-subjects= demersales	530
	IFOP	W-subjects= crustaceos	408
	IFOP	W-subjects= pelagicos	11
	Library of Congress	WRD= ( WSU= crustaceos )	1
	Library of Congress	WRD= ( WSU= crustaceos )	1
	IFOP	W-subjects= crustaceos	408
	Serial (USM01)	W-Materia= demersales	0
	Serial (USM01)	W-Materia= bentonicos	0
	IFOP	W-subjects= pelagicos	11
	IFOP	W-subjects= demersales	530