Here are some media reviews:

Arsantica:

http://demozoo.org/productions/109137/

http://www.pouet.net/prod.php?which=62953

http://mag.mo5.com/actu/51931/arsantica-une-demo-de-lespace-sur-atari-xexl/

http://thedemoscene.tumblr.com/post/124568906109/arsantica-by-desire-for-the-atari-xlxe-released

http://www.yaronet.com/board/topic/165190

http://atariteca.blogspot.de/2014/04/demos-para-atari-xlxe-y-2600-en.html

http://arekneubauer.com/en/retrocomputing/demoscene/39-revision-2014-oldskool-demo

AD:6502:

http://retroinvaders.com/es/56234/presentan-demo-ad-6502-arsantica-2-para-atari

Arsantica 3 Intro #1:

http://www.radio-paralax.de/board/index.php?thread/4342-best-of-revision-2015-mit-paralax-sendung-vom-10-4-2015/