Uffelen, Chris van, 1966- Passive houses : energy efficient homes / Chris van Uffelen. - [S.l.] : Braun, 2012. - 239 p. : col. ill., plans. Includes indexes ISBN: 9783037681060 Subjects--Topical Terms: Ecological housesSustainable architecture LC Class. No.: NA 2542.36 / U333P