@article {973,
	title = {Mitteilungen {\"u}ber die Apiden (Hym.) Finnlands. 1. Die Gattung Megachile Latr. },
	journal = {Annales Entomologici Fennici},
	volume = {2},
	year = {1936},
	pages = {86{\textendash}96, 140-148},
	author = {Niemel{\"a}, P.}
}
