TY - BOOK ID - 135967382 TI - Retrofitting existing housing for energy conservation : an economic analysis AU - Petersen, Stephen R. AU - United States. PY - 1974 PB - Washington : U.S. Dept. of Commerce, National Bureau of Standards : For sale by the Supt. of Docs., U.S. Govt. Print. Off., DB - UniCat KW - Dwellings. KW - Energy conservation KW - Insulation (Heat) KW - Economies d' energie KW - Habitations KW - Isolation thermique. KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:135967382 AB - ER -