Morphometrical variability in Helicotylenchus Steiner, 1945. 3 : observations on African populations of Helicotylenchus dihystera and considerations on related species /Fortuner, Renaud Merny, G. Roux, C. NEMATODE ANALYSE STATISTIQUE TAXONOMIE MORPHOLOGIE VARIATION QUANTITATIVE HELICOTYLENCHUS MORPHOMETRIE 1981 text https://www.documentation.ird.fr/hor/fdi:01765 fdi:01765 Fortuner Renaud, Merny G., Roux C.. Morphometrical variability in Helicotylenchus Steiner, 1945. 3 : observations on African populations of Helicotylenchus dihystera and considerations on related species. 1981, 4 (2), 235-260 EN