add 2 more info links

diff --git a/3d_gpu.mdwn b/3d_gpu.mdwn
index 0b9c78fd4d6775cff73147366cdb4a7e0013f224..9c7e4f59289a91ce17b6a54817136a2727a6a07b 100644 (file)
--- a/3d_gpu.mdwn
+++ b/3d_gpu.mdwn
@@ -69,6 +69,8 @@ Progress:
 * <https://efabless.com/design_catalog/default>
 * <https://toyota-ai.ventures/>
 * <https://github.com/lambdaconcept/minerva>
+* <https://en.wikipedia.org/wiki/Liskov_substitution_principle>
+* <https://en.wikipedia.org/wiki/Principle_of_least_astonishment>
 
 # Analog Simulation