@article {1658,
	title = { Mesopolobus graminum (H{\r a}rdh) (Hym., Pteromaliidae), its population dynamics and influence on Javesella pellucida (F.). },
	journal = {Ann. Agric. Fenn.},
	volume = {9},
	year = {1970},
	pages = {99-106},
	author = {Raatikainen, M.}
}
