@Manual{VK:CLUG-talk-procmail,
  author	= {Volker Kuhlmann},
  title		= {Mail Filtering with Procmail},
  year		= 2004,
  month		= sep,
  day		= 23,
  organization	= {Canterbury Linux Users' Group},
  address	= {Christchurch, New Zealand},
  URL		= {http://volker.top.geek.nz/linux/presentation/MailFilterProcmail.pdf}
		  ,
  note_		= {Presentation},
  totalpages	= 11,
}

@Manual{VK:CLUG-talk-shells-bash,
  author	= {Volker Kuhlmann},
  title		= {Unix Shells and Scripts---Bash},
  year		= 2005,
  month		= aug,
  day		= 9,
  organization	= {Canterbury Linux Users' Group},
  address	= {Christchurch, New Zealand},
  URL		= {http://volker.top.geek.nz/linux/presentation/UnixShellsBash.ps.pdf}
		  ,
  note_		= {Presentation},
  totalpages	= 9,
}

@Manual{VK:CLUG-talk-photos-linux-1,
  author	= {Volker Kuhlmann},
  title		= {Photo Handling with Linux---Part 1},
  year		= 2006,
  month		= jul,
  day		= 11,
  organization	= {Canterbury Linux Users' Group},
  address	= {Christchurch, New Zealand},
  URL		= {http://volker.top.geek.nz/linux/presentation/Photo-Linux-part1.pdf}
		  ,
  note_		= {Presentation},
  totalpages	= 20,
  keywords	= {Photo transfer protocols, Image formats, EXIF, IPTC, Image
		  editing, Image viewing, GIMP, Photo organisation, Photo
		  archiving, Photo publishing, Photo albums, digikam,
		  Photographic prints},
}

@Manual{VK:CLUG-talk-photos-linux-2,
  author	= {Volker Kuhlmann},
  title		= {Photo Handling with Linux---Part 2},
  year		= 2006,
  month		= sep,
  day		= 12,
  organization	= {Canterbury Linux Users' Group},
  address	= {Christchurch, New Zealand},
  totalpages	= {35+12},
  URL		= {http://volker.top.geek.nz/linux/presentation/Photo-Linux-part2.pdf}
		  ,
  URL2		= {http://volker.top.geek.nz/linux/presentation/Photo-Linux-part2-notes.pdf}
		  ,
  note_		= {Presentation},
  keywords	= {Image processing theory, Advanced editing, Raw format,
		  Colour spaces, Colour management, Scanning, Printing},
}

@Manual{VK:CLUG-talk-SOHO-firewalls,
  author	= {Volker Kuhlmann},
  title		= {SOHO Firewalls},
  year		= 2006,
  month		= nov,
  day		= 14,
  organization	= {Canterbury Linux Users' Group},
  address	= {Christchurch, New Zealand},
  totalpages	= {17+6},
  URL		= {http://volker.top.geek.nz/linux/presentation/SOHO-Firewalls.pdf}
		  ,
  URL2		= {http://volker.top.geek.nz/linux/presentation/SOHO-Firewalls-notes.pdf}
		  ,
  note_		= {Presentation},
  keywords	= {firewall, packet filter, router, LAN, WAN, DMZ, Linux,
		  iptables, BSD, pf},
}