Establishment and spread of Rhizophagus grandis Gyll (Coleoptera: Rhizophagidae) 6 years after release in the Forêt domaniale du Mézenc (France) A van Averbeke and JC GrégoireAnn. For. Sci., 52 3 (1995) 243-250DOI: https://doi.org/10.1051/forest:19950305