http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the Fourth International Powder Technology and Bulk Solids Conference
International Powder Technology and Bulk Solids Conference 1977)
"This volume contains the papers presented during the various Powtech '77 Conference sessions organised by the Powder Advisory Centre."
Powder technology publication series ; no. 7