1. Registration of Nitro alfalfa;Barnes;Crop Sci.,1988
2. Estimating root mass in maize using a portable capacitance meter;Beem;Agron. J.,1998
3. Evaluation of the size of a plant’s root system using its electrical capacitance;Chloupek;Plant Soil,1977
4. Development and evaluation of new synthetic varieties of alfalfa Jitka and Niva;Chloupek;Acta Univ. Agric. Silvicult. Mendelianae Brunensis (Brno),1996
5. Crush, J.R., 1989. Legume breeding strategy for increased nitrogen fixation in New Zealand temperate pastures. In: Proceedings of the XVI International Grassland Congress, Nice, France, pp. 125–126.