add biblio entry for AIA

example.bib

@@ -1,40 +1,4 @@
-@inproceedings{riscI-isca1981,
-  title = {{RISC I}: {A} Reduced Instruction Set {VLSI} Computer},
-  author = {David A. Patterson and Carlo H. S\'{e}quin},
-  booktitle = {ISCA},
- location = {Minneapolis, Minnesota, USA},
-  pages = {443-458},
-  year = {1981}
+@electronic{AIA,
+  title = {RISC-V Advanced Interrupt Architecture},
+  url = {https://github.com/riscv/riscv-aia}
 }
-
-@InProceedings{Katevenis:1983,
- author = {Katevenis, Manolis G.H. and Sherburne,Jr., Robert W. and Patterson, David A. and S{\'e}quin, Carlo H.},
- title = {The {RISC II} micro-architecture},
-  booktitle = {Proceedings VLSI 83 Conference},
-  year =      1983,
-  month =     {August}}
-
-@inproceedings{Ungar:1984,
- author = {David Ungar and Ricki Blau and Peter Foley and Dain Samples
-                  and David Patterson},
- title = {Architecture of {SOAR}: {Smalltalk} on a {RISC}},
- booktitle = {ISCA},
- address = {Ann Arbor, MI},
- year = {1984},
- pages = {188--197}
-} 
-
-@Article{spur-jsscc1989,
-  author =       {David D. Lee and Shing I. Kong and Mark D. Hill and
-                  George S. Taylor and David A. Hodges and Randy
-                  H. Katz and David A. Patterson},
-  title =        {A {VLSI} Chip Set for a Multiprocessor
-                  Workstation--{Part I}: An {RISC} Microprocessor with
-                  Coprocessor Interface and Support for Symbolic
-                  Processing},
-  journal =      {IEEE JSSC},
-  year =         1989,
-  volume =    24,
-  number =    6,
-  pages =     {1688--1698},
-  month =     {December}}