@article {11426,
	title = {Nueva especie de Speophilus (Coleoptera Catopidae)},
	journal = {Senderos, Portavoz de la Uni{\'o}n Excursionista de Catalu~na},
	volume = {166},
	year = {1972},
	pages = {38-39.},
	author = {Lagar, A}
}
@article {11391,
	title = {El avenc de les Pedreres Gualba - Vall{\`e}s Oriental},
	journal = {Senderos, Portavoz de la Uni{\'o}n Excursionista de Catalu~na},
	volume = {184},
	year = {1974},
	pages = {26-29.},
	author = {Lagar, A and J. Ca{\~n}elles and J. Torrella}
}
@article {11390,
	title = {Contribuci{\'o}n al conocimiento espeleol{\'o}gico de Sierra Ferrera (Huesca)},
	journal = {Senderos, Portavoz de la Uni{\'o}n Excursionista de Catalu~na},
	volume = {190},
	year = {1974},
	pages = {17-26.},
	author = {Lagar, A and J. Sabater and M. Salvad{\'o} and J. Torrella}
}
