Per Tryde has written:
'Intermittent ice forces acting on inclined wedges' -- subject(s): Wedges, Mathematical analysis
Per Lundqvist has written: 'Sociallovgivning'
Per Torsvik has written: 'Mediaforskning'
Per Hansen has written: 'Arbejdsloes'
Per Waage has written: 'Seal Hunter'
Per Sivle has written: 'Skrifter' 'Streik'
Per Malmberg has written: 'Belgierne i Hellebaek'
Per Davidsson has written: 'Nascent Entrepreneurship'
Per Porter has written: '36 exposures'
Per Gunnar Edebalk has written: 'Socialforsakringarna'
Per Sjeggestad has written: 'Vest-Agder i bilder'
Ole Per Hansen has written: 'Metrologi'
Per Vadmand has written: 'Ole og Linda'