For example add into /etc/apt/sources.lists following lines:

# some coment
deb http://www.cecak.cz/debian/wheezy ./

	Name	Last modified	Size	Description
	Parent Directory		-
	HEADER.html	2013-06-06 01:08	152
	Override	2015-06-13 12:23	0
	Packages	2015-06-13 12:23	10K
	Packages.gz	2015-06-13 12:23	1.9K
	build/	2015-03-29 20:54	-
	mysql-proxy_0.8.5-1.1.dsc	2015-03-29 20:55	898
	mysql-proxy_0.8.5-1.1.tar.gz	2015-03-29 20:55	923K
	mysql-proxy_0.8.5-1.1_amd64.changes	2015-03-29 20:55	1.3K
	mysql-proxy_0.8.5-1.1_amd64.deb	2015-03-29 20:55	297K
	pdns-backend-geo_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	111K
	pdns-backend-ldap_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	313K
	pdns-backend-lua_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	123K
	pdns-backend-mysql_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	73K
	pdns-backend-pgsql_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	74K
	pdns-backend-pipe_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	85K
	pdns-backend-sqlite3_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	56K
	pdns-backend-sqlite_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	61K
	pdns-server-dbg_3.1-4.1loc2_amd64.deb	2015-06-13 12:22	18M
	pdns-server_3.1-4.1loc2_amd64.deb	2015-06-13 12:21	1.8M
	pdns_3.1-4.1loc2.debian.tar.gz	2015-06-13 12:21	47K
	pdns_3.1-4.1loc2.dsc	2015-06-13 12:21	1.9K
	pdns_3.1-4.1loc2_amd64.changes	2015-06-13 12:21	4.5K
	pdns_3.1.orig.tar.gz	2012-05-14 18:35	1.2M
	php53/	2013-11-07 20:58	-