@article{50804, note = {Includes index.}, author = {Cowan, William M.}, url = {http://library.usi.edu/record/50804}, title = {Adding rooms, saving energy : upstairs, downstairs, sideways /}, publisher = {Macmillan,}, recid = {50804}, pages = {122 p. :}, address = {New York :}, year = {1979}, }