@article{icrisat6229,
           title = {A graphical assessment of data from intercropping factorial experiments},
       publisher = {Cambridge University Press},
          author = {B Gilliver and S C Pearce},
           pages = {23--31},
            year = {1983},
          volume = {19},
         journal = {Experimental Agriculture},
          number = {1},
             url = {http://oar.icrisat.org/6229/},
        abstract = {A graphical method, based on bivariate analysis, is used to present yield data from intercropping experiments involving two crop species. The method is used to demonstrate two- and three-factor interactions in factorial experiments}
}