http://www.boriel.com/wiki/en/index.php/ZX_BASIC:Aquarius
http://www.retro-zone.org/documentation/mattel_aquarius_extendedbasicmanual/complete_manual.html
http://tech.groups.yahoo.com/group/mattelaquarius/
http://www.vdsteenoven.com/aquarius/malloc.html
http://www.vdsteenoven.com/aquarius/mempointer.html
http://www.vdsteenoven.com/aquarius/iomap.html
http://www.vdsteenoven.com/aquarius/psgprog.html
http://www.vdsteenoven.com/aquarius/hndcntrl.html
http://archive.kontek.net/aqemu.classicgaming.gamespy.com/aqfaq2.htm