WEILER, SUSAN K. GREEN ROOF SYSTEMS: A GUIDE TO THE PLANNING, DESIGN, AND CONSTRUCTION OF LANDSCAPES OVER STRUCTURE / SUSAN K. WEILER AND KATRIN SCHOLZ - BARTH - HOBOKEN JOHN WILEY 2009 - 313p. [HB] ISBN: 9780471674955 Dewey Class. No.: 712 / NEI-G