@book {39769,
	title = {Καταστάσεις της Ύλης},
	year = {2015},
	pages = {271},
	publisher = {Kallipos},
	organization = {Kallipos},
	address = {Athens},
	url = {http://repository.kallipos.gr/handle/11419/2117},
	author = {Constantinos Simserides}
}
