@article{10_4064_am_27_4_377_384, author = {U. Bronowicka-Mielniczuk and J. Mielniczuk and T. Przybysz}, title = {Efficiency of cropping system designs via base contrast}, journal = {Applicationes Mathematicae}, pages = {377--384}, publisher = {mathdoc}, volume = {27}, number = {4}, year = {2000}, doi = {10.4064/am-27-4-377-384}, zbl = {0998.65014}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/am-27-4-377-384/} }