-
By: Swellengrebel, N. H. (Nicolaas Hendrik), - Swellengrebel de Graaf, J. M. H.Type: ArticleIn: Tijdschrift voor entomologieVolume: 63Series:Issue:Date: 1920Page Range: 96--108Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,Subjects:
-
By: Swellengrebel, N. H. (Nicolaas Hendrik), - Swellengrebel de Graaf, J. M. H.Type: ArticleIn: Bulletin of entomological researchVolume: 11Series:Issue:Date: 1920Page Range: 77--92Publication Info: Farnham Royal, Commonwealth Agricultural Bureaux,Subjects: