http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Causes and measurement of walkway slipperiness
Task Group T-41 on Causes and Measurement of Walkway Slipperiness.
Technical report (Federal Construction Council) ; no. 43
Publication (National Research Council (U.S.)) ; no. 899