@book
{TN_libero_mab2,
author = {
Fraser, John L.
Constable, John
},
title = {
John Constable, 1776 - 1837
the man and his mistress
},
publisher = {Hutchinson},
isbn = {0091255406},
year = {1976},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}