@article {2259,
	title = {The summer excursion of the Entomological Society of Finland to island of {\"O}r{\"o} in 1971]},
	journal = {Annales Entomologici Fennici},
	volume = {41},
	year = {1975},
	pages = {44},
	author = {Jalas, I. and Heikinheimo, O.}
}
