"Metric conversion factors."; "Guthrie, Audrey G."; "Metric system.", "Weights and measures."; "Guthrie, Audrey G."; "1976"; "

Leaflet. At head of title: West Virginia University, Cooperative Extension Service, Center for Extension and Continuing Education, Division of Personal and Family Development. \"WP-14-76.\"

"; ""; "P19311"; "pec"; "Weights and measures.", "Metric system."; "14256"; .