@article {1240,
	title = {The possibilities of seed production of tetraploid red clover in Central Finland},
	journal = {Ann. Agric. Fenniae},
	volume = {3},
	year = {1964},
	pages = {80-94},
	author = {Valle, O. and Huokuna, E. and Puumalainen, T.}
}
@article {1239,
	title = {Pollination and seed setting in tetraploid red clover in Finland II.},
	journal = {Acta Agric. Fennica},
	volume = {97},
	year = {1960},
	pages = {1-64},
	author = {Valle, O. and Salminen, M. and Huokuna, E.}
}
