Browsing by Author "Ψάλλης, Μιχαήλ"
T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
Authors: Bidakis, Georgios; Kokologiannakis, Antonis; Psallis, Michail
Thesis advisor: Tomadakis, Ioannis
Publication Date: 17-06-2011It has been observed that a lot of times, mountain hikers either lose their orientation or have more or less serious accidents which make them unable to reach their destination. So, desperately, search for a way to ask for ...