TY - BOOK ID - 137145056 TI - Methodology for choosing test parameters to evaluate protective headgear AU - Berger, Robert E. AU - Calvano, Nicholas J. AU - United States. PY - 1978 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:137145056 AB - ER -