00406naa a2200121 a 450000100080000000500110000800800410001910000170006024501200007726000090019765300090020677300690021512794862014-08-06       1990    bl ---       0--  u    #d1 aPONGE, J. F.  aEcologycal study of a forest humus by observing a small volume. 1. Penetration of pine litter by mycorrhizal fungi.  c1990  aPine  tEuropean Journal of Forest Pathologygv.2, n.5, p.290-303, 1990.