TY - CHAP T1 - Monitoring with Lichens - Monitoring Lichens T2 - Nato Sciences Y1 - 2002 A1 - Van Herk, C.M. A1 - Nimis, P.L. (Eds) A1 - Scheidegger, C. (Eds) A1 - Wolseley, P.A. JF - Nato Sciences PB - Kluwer CY - Dordrecht ER -