Waters, J. R. Energy conservation in buildings : a guide to Part L of the Building regulations / J.R. Waters - Malden, MA : Blackwell Pub., 2003 - xiv, 202 p. : ill. ; 25 cm. Includes bibliographical references (p. 199-202) ISBN: 1405112530 RM179.09 LCCN: 2002-038347