More Gnuk links at research/token

diff --git a/research/token.md b/research/token.md
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@@ -7,6 +7,10 @@
 * [Gnuk - Noisebridge](https://noisebridge.net/wiki/Gnuk).
 * [FST-01 - Seeed Wiki](http://wiki.seeed.cc/FST-01/).
 * [Questions - FST-01 Q&A Forum](http://no-passwd.net/askbot/questions/).
+* [Programming the FST-01 (gnuk) with a Bus Pirate + OpenOCD](https://www.earth.li/~noodles/blog/2015/08/program-fst01-with-buspirate.html).
+* [Gnuk Token and GnuPG scdaemon](https://fosdem.org/2018/schedule/event/hwenablement_gnuk_token_and_gnupg_scdaemon/).
+* [FST-01 gnuk firmware update via USB](https://raymii.org/s/tutorials/FST-01_firmware_upgrade_via_usb.html).
+* [Gnuk source code](https://salsa.debian.org/gnuk-team/gnuk/gnuk).
 * Threat modeling:
     * [How safe is Gnuk against side channel attacks, USB sniffer, or electron/tunneling microscope? - FST-01 Q&A Forum](http://no-passwd.net/askbot/question/33/how-safe-is-gnuk-against-side-channel-attacks-usb/).
     * [How does Gnuk protect against attacks to extract private keys? - FST-01 Q&A Forum](http://no-passwd.net/askbot/question/32/how-does-gnuk-protect-against-attacks-to-extract/).