Farming on the edge : the nature of traditional farmland in Europe : proceedings of the fourth European Forum on Nature Conservation and Pastoralism, 2-4 November 1994, Trujillo, Spain /
McCracken, David I.
Bignal, Eric M.
Wenlock, Susan.
Joint Nature Conservation Committee (Great Britain)
European Forum on Nature Conservation and Pastoralism(4th :1994 :Trujillo, Spain)
Peterborough : JNCC,
1995.