TY - GEN AU - Landsberg, Dennis R. ...[et. al] TI - Energy efficiency guide for existing commercial buildings : the business case for building owners and managers SN - 9781933742632 PY - 2009/// CY - Atlanta PB - American Society of Heating, Refrigerating KW - BUILDINGS - Energy Conservation KW - BUILDINGS - Energy Management KW - ENERGY CONSERVATION KW - ENERGY MANAGEMENT KW - ENERGY N1 - Bibliographical references included ER -