@Article{ Gómez-reyes_PERFECTTI_MARTINEZ:531-545,

author = { Jose María Gómez-reyes and FRANCISCO PERFECTTI ALVAREZ and JUAN PEDRO MARTINEZ CAMACHO } ,

title = { NATURAL SELECTION ON ERYSIMUM MEDIOHISPANICUM FLOWER SHAPE: INSIGHTS INTO THE EVOLUTION OF ZYGOMORPHY },

journal = { The American Naturalist },

year = { 2006 },

volume = { 168 },

pages = { 531-545 },

doi = { http://dx.doi.org/10.1086/507048 },

}