Lenssen, Philipp Google Apps Hacks / Philipp Lenssen. - Beijing : O'Reilly, 2008. - 361 p. : ill., maps. - Hacks . Includes index ISBN: 9780596515881 Subjects--Topical Terms: GoogleWeb sites--Authoring programsInternet programming LC Class. No.: TK 5105.885 .G66 / L467G