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References
- ↑ http://www.eblong.com/zarf/glk/glk-spec-070_0.html#s.2 Archived 2009-06-25 at the Wayback Machine : 0.2: What About the Virtual Machine? (retrieved 2009-08-23)
- ↑ http://ifwiki.org/index.php/Nitfol: "Uses the Glk API for I/O.", "Supports versions 1 through 8 of Z-machine" (retrieved 2009-08-23)
- ↑ http://www.eblong.com/zarf/glk/: section "Liberation" (retrieved 2009-08-23)
- ↑ http://www.russotto.net/jglulx.html: Java Glulx and Java Glk (retrieved 2009-08-23)
- ↑ http://eblong.com/zarf/glk/glkote.html: GlkOte: a JavaScript library for IF interfaces (retrieved 2012-05-03)
