Vymazal, Jan. Wastewater treatment in constructed wetlands with horizontal sub-sur face flow / Jan Vymazal. - New York : Springer, 2008. - x,566 p. : ill. 24 cm. - Environmental population : vol.14 . Includes bibliographies and index ISBN: 9781402085796 LCCN: 2008-931478 Subjects--Topical Terms: Constructed wetlands--------