Permanent European Conference For The Study Of The Rural Landscape : Villages, fields and frontiers : studies in European rural settlement in the medieval and early modern periods : papers presented at the meeting of the Permanent European Conference for the Study of the Rural Landscape, held at Durham and Cambridge, England, 10-17 September, 1981 / edited by B.K. Roberts and R.E. Glasscock.
Permar Roxane : Russian and Soviet theatre : tradition and the avant-garde.
Permis Workshop 7th 2007 Washington D C : Proceedings of the 2007 Workshop on Performance Metrics for Intelligent Systems [electronic resource] / general chair Elena Messina ; program chair Raj Madhavan ; in cooperation with ACM Special Interest Group on Artificial Intelligence.
Permis Workshop 10th 2010 Baltimore Md : Performance Metrics for Intelligent Systems (PerMIS) Workshop [electronic resource] : Hyatt Regency, Baltimore, Maryland USA, September 28-30, 2010 / general chair Elena Messina ; program chair Raj Madhavan ; sponsor National Institute of Standards & Technology, in-cooperation ACM Special Interest Group on Artificial Intelligence.
Permis Workshop 2012 College Park Md : PERMIS 2012 [electronic resource] : proceedings of the Workshop on Performance Metrics for Intelligent Systems : The Marriott Inn & Conference Center, College Park, MD USA, March 20 - 22, 2012 / general chairs Elena Messina ; program chairs Raj Madhavan.
Permutter Arnold : Symmetry principles at high energy : proceedings of the third coral gables conference held at the center for theoretical studies, University of Miami, January 19-21,1966 / edited by A. Perlmutter,J.Wojtaszek G. Sudarshan and B. Kursunoglu.