@book{4983,
	author = {Barcelo, Vito  and Casas, Willie},
	title = {'Delta' prolongs travel ban},
	url = {http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=c1e17c4fa3a2f1c8575977f1a3fa9e78}
}