@book
{TN_libero_mab2,
author = {
Penny, Nicholas
Ruskin, John
},
title = {
Ruskin's drawings
},
publisher = {Phaidon [u.a.]},
isbn = {0714880639},
isbn = {0907849741},
keywords = {
English drawings. Ruskin, John,++1819-1900
,
Ruskin++John++1819-1900
},
year = {1989},
booktitle = {Ashmolean-Christie's handbooks},
address = {
Oxford
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}