@misc{13401, author = {Leonard Cooper}, title = {Calculation of the Flow Through a Horizontal Ceiling/Floor Vent.}, year = {1989}, month = {1989-02-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.89-4052}, language = {en}, }