http://www.aquarium4u.gr

http://nithinzpoetry.blogspot.com/2010/10/rain-my-friend.html

http://magdalini.pblogs.gr/tags/thalassa-gr.html

http://www.hellenica.de/Griechenland/Geo/GR/LimniKremaston.html

http://dafnospiliakarditsas.wordpress.com

http://www.imerisia.gr/article.asp?catid=13816&subid=2&pubid=4933156

http://palaiokastro.wordpress.com

http://www.clab.edc.uoc.gr/seminar/MNEM/ypogeia.htm

http://astrojoggi.pblogs.gr/tags/pigadi-gr.html

http://www.farron.gov.gr/Default.aspx?tabid=339

http://www.panoramio.com/photo/7921276

http://www.e-geoponoi.gr

http://kritonperiferia.gr/2011/06/21/paremvasi-m-strataki-gia-zimies-apo-chalazi/

http://greekreallity.blogspot.com/2011/02/blog-post_9763.html

http://rc-cafe.blogspot.com/

http://pepla.blogspot.com/2011/06/blog-post_8027.html

http://ga.water.usgs.gov/edu/watercyclegreek.html