TY - BOOK ID - 137187594 TI - Supplementary investigation of test procedures for heating and air conditioning ducts AU - Cole, Selden D. AU - Achenbach, Paul R. AU - United States. PY - 1963 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat KW - Air ducts KW - Testing. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137187594 AB - ER -