"Hybridation." . . . "Heterosis : reappraisal of theory and practice" . . . . . . . . . . . . . . . "Heterosis : reappraisal of the theory and practice" . . "Heterosis; reappraisal of theory and practice" . "Heterosis Reappraisal of Theory and Practice" . . . . . . . . . "Electronic books"@en . . . . . "Heterosis reappraisal of theory and practice"@en . "Heterosis reappraisal of theory and practice" . . . . . . . . . . . . . . . . . "Hibridació" . . "Hibridació vegetal." . . . . "Hybride." . . "Hybride" . "Piante - Riproduzione." . . "Eterosi." . . "Hétérosis." . . "Heterosis." . "Heterosis" .