C. Signorini

Lichen recolonization of Tilia trees in Arezzo (Tuscany, central Italy) under conditions of decreasing air pollution

S. Loppi, V. Dominicis, A. Bosi, 2003 .

A retrospective study using epiphytic lichens as biomonitors of air quality: 1980 and 1996 (Tuscany, central Italy)

Vincenzo De Dominicis, Stefano Loppi, Stergios Pirintsos, 1998 .