@article {241,
	title = {Revision des Messor du groupe instabilis Sm. (Hymenopt.).  },
	journal = {Bolet{\'\i}n de la Real Sociedad Espa{\~n}ola de Historia Natural},
	volume = {27},
	year = {1927},
	month = {[1927-05]},
	pages = {225-250},
	author = {Santschi, Felix}
}
