https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=636%26limit%3Dau%3AClark%2C%20Alan%20H.&format=rss2 Search results for 'an,phr: 636&limit=au:Clark, Alan H.' at Biblioteca - Ingemmet 0 20