http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the Second Annual Conference on Electric Industrial Heating
held at Purdue University, March 23, 24, 25, 1927
Conference on Electric Industrial Heating 1927 : Lafayette, Ind.)
Bulletin of Purdue University. Publications of the Engineering Depts., v. 11, no. 1
Engineering extension series (Purdue University. Department of Engineering Extension) ; no. 17