http://koha.unicoc.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A144%20and%20au%3ARock%2C%20W.%20P.%20and%20available&format=rss2 Search results for 'an:144 and au:Rock, W. P. and available' at SIBU - SISTEMAS DE BIBLIOTECAS UNICOC 0 20