%0 Journal Article %T Biotic Specialization Between Neighbouring Genotypes in Lolium Perenne and Trifolium Repens from a Permanent Pasture %A Aarssen, L. W. %A Turkington, R. %A , %J The Journal of Ecology %V 73 %N 2 %P 605 %@ 0022-0477 %D 1985-07-01 %I JSTOR %~ DeepDyve