"Fig. 2 . Graph showing the Negative Correlation between per cent of Diatreae, Infestation and Purity of Normal Juice",
Extrait de:
I. Report on sugar-cane borers at Soledad, Cuba, and II. Dry-season studies of cane homptera at Soledad, Cuba : with a list of the coccids of the district,
p. 33.
Bibliothèque numérique Manioc, consulté le 16 janvier 2026.
Lien:
http://www.manioc.org/images/IHE140100035i1.