Wireless network among few linux computers

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http://askubuntu.com – I have 3 ubuntu linux computers each with a wireless card. I don't have a router and I don't need to connect to the Internet. Can I make one of my linux computers as an AccessPoint, Run DHCP server and create a wireless netowork among these 3 devices? If so, can you please point me on where to start? Thank you. (HowTos)