@misc{46981, author = {B Son}, title = {Fire Endurance Tests of Unprotected Wood-Floor Constructions for Single-Family Residences. Final Report. Revision of NBS 10 320.}, year = {1973}, month = {1973-07-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }