1. Baars T. Dongen M. Van Brands L. 1996 Early crop growth, yield and clover development in cut and grazed grass/clover mixtures under organic conditions Recent Research and Development on White Clover in Europe. Interregional Cooperative Research and Development Network for Pastures and Fodder Crops, FAO/CHIHEAM, Estonia. 28-31 August 1995, Regional Office for Europe (REU) Technical Series, 42
2. Begon M. Harper J.L. Townsend C.R. 1986 Ecology: Individuals Populations and Communities
3. Growth of clover leaves - developmental morphology and parameters at ten stages;Carlson;Crop Science,1966
4. Sitona and other pest and disease damage to clover in the UK;Clements;FAO REUR (Regional Office for Europe) Technical Series,1993
5. The role of slugs and snails in the maintenance of the cyanogenesis polymorphisms of Lotus corniculatus and Trifolium repens;Craw-Sidebotham;Heredity,1972