Vollmann J., Feiertag L., Kuyt S. J., Winkler J., Fritz C. N., Grausgruber H., Ruckenbauer P..
(1998):
Spatial variations affect agronomic and seed quality characters in soybean trials.
Annual Meeting Abstracts, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Baltimore, Maryland, USA, p. 77