[doc] add references
diff --git a/readme.md b/readme.md
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@@ -60,6 +60,14 @@
 
 Almost C++03 or later compilers for x86/x64 such as Visual Studio, g++, clang++, Intel C++ compiler and g++ on mingw/cygwin.
 
+
+### References
+- [Intel 64 and IA-32 Architectures Software Developer Manuals](https://www.intel.com/content/www/us/en/developer/articles/technical/intel-sdm.html)
+- [Intel Advanced Performance Extensions (Intel APX) Architecture Specification](https://www.intel.com/content/www/us/en/content-details/836198/intel-advanced-performance-extensions-intel-apx-architecture-specification.html)
+- [Intel Advanced Vector Extensions 10.2 (Intel AVX10.2) Architecture Specification](https://www.intel.com/content/www/us/en/content-details/855340/intel-advanced-vector-extensions-10-2-intel-avx10-2-architecture-specification.html)
+- [Intel Architecture Instruction Set Extensions Programming Reference](https://www.intel.com/content/www/us/en/content-details/851355/intel-architecture-instruction-set-extensions-programming-reference.html)
+- [Intel Software Development Emulator](https://www.intel.com/content/www/us/en/download/684897/intel-software-development-emulator.html)
+
 ## License
 
 [BSD-3-Clause License](http://opensource.org/licenses/BSD-3-Clause)