kilka znalezionych ciekawych linków
http://www.woodcraftwanderings.org/shelter.html
http://www.woodcraftwanderings.org/index.html
http://www.shelter-systems.com/grip-clip-pro-1.html
http://www.practicalsurvivor.com/leanto
http://www.practicalsurvivor.com/jungleaframe
basha
http://zombiehunters.org/forum/viewtopic.php?f=14&t=76772
http://naturallore.wordpress.com/2009/05/20/special-forces-self-sealing-basha/