Worship of God Some Theological, Pastoral and Practical Reflections Martin Ralph P. Heftet / 1982 / Engelsk
Mathematics of Surfaces IX Proceedings of the Ninth IMA Conference on the Mathematics of Surfaces Cipolla Roberto Heftet / 2012 / Engelsk
Mathematics of Surfaces IX Proceedings of the Ninth IMA Conference on the Mathematics of Surfaces Cipolla Roberto Innbundet / 2000 / Engelsk
Managing Energy, Nutrients, and Pests in Organic Field Crops Martin Ralph C. Innbundet / 2014 / Engelsk
Computational Visual Media First International Conference, CVM 2012, Beijing, China, November 8-10, 2012, Proceedings Hu Shi-Min Heftet / 2012 / Engelsk
Mathematics of Surfaces XII 12th IMA International Conference, Sheffield, UK, September 4-6, 2007, Proceedings Martin Ralph Heftet / 2007 / Engelsk
Mathematics of Surfaces XI 11th IMA International Conference, Loughborough, UK, September 5-7, 2005, Proceedings Sabin, Malcolm Heftet / 2005 / Engelsk
Mathematics of Surfaces 10th IMA International Conference, Leeds, UK, September 15-17, 2003, Proceedings Wilson, Michael J. Heftet / 2003 / Engelsk
