fixed three references in old format

content/docs/refs.md

@@ -39,11 +39,15 @@ weight: 8
 ###### [BBC+20]
 [D. Bernstein, B. Brumley, M. Chen, C. Chuengsatiansup, T. Lange, A. Marotzke, N. Tuveri, C. van Vredendaal, and B. Yang. Ntru prime: round 3 20201007. 2020](https://ntruprime.cr.yp.to/nist/ntruprime-20201007.pdf)
 
-- [BBG+19] <a name="[BBG+19]">Bindel, N., Braun, J., Gladiator, L., Stöckert, T., & Wirth, J. (2019). X. 509-compliant hybrid certificates for the post-quantum transition. Journal of Open Source Software, 4(40), 1606(https://joss.theoj.org/papers/10.21105/joss.01606)</a>
+###### [BBG+19]
+[Bindel, N., Braun, J., Gladiator, L., Stöckert, T., & Wirth, J. (2019). X. 509-compliant hybrid certificates for the post-quantum transition. Journal of Open Source Software, 4(40), 1606](https://joss.theoj.org/papers/10.21105/joss.01606)
+
 ###### [BHK+19]
 [D. J. Bernstein, A. Hülsing, S. Kölbl, R. Niederhagen, J. Rijneveld, and P. Schwabe. The sphincs+ signature framework. In Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security, CCS ’19, page 2129–2146, New York, NY, USA, 2019. Association for Computing Machinery. doi:10.1145/3319535.3363229](https://eprint.iacr.org/2019/1086.pdf)
 
-- [BKS19] <a name="[BKS19]">L. Botros, M. J. Kannwischer, and P. Schwabe. Memory-Efficient High-Speed Implementation of Kyber on Cortex-M4. In J. Buchmann and T. Nitaj, A.and Rachidi, editors, Progress in Cryptology – AFRICACRYPT 2019, volume 11627, pages 209–228. Springer International Publishing, Cham, 2019. Series Title: Lecture Notes in Computer Science. [URL:](http://link.springer.com/10.1007/978-3-030-23696-0_11) doi:10.1007/978-3-030-23696-0_11</a>
+###### [BKS19]
+[L. Botros, M. J. Kannwischer, and P. Schwabe. Memory-Efficient High-Speed Implementation of Kyber on Cortex-M4. In J. Buchmann and T. Nitaj, A.and Rachidi, editors, Progress in Cryptology – AFRICACRYPT 2019, volume 11627, pages 209–228. Springer International Publishing, Cham, 2019. Series Title: Lecture Notes in Computer Science. doi:10.1007/978-3-030-23696-0_11](http://link.springer.com/10.1007/978-3-030-23696-0_11)
+
 ###### [BPS20]
 [W. Barker, W. Polk, and M. Souppaya. 2020. Getting Ready for Post-Quantum Cryptography: Explore Challenges Associated with Adoption and Use of Post-Quantum Cryptographic Algorithms. preprint.](https://doi.org/10.6028/NIST.CSWP.05262020-draft)
 
@@ -125,7 +129,9 @@ weight: 8
 ###### [GoKa15]
 [Ghosh, S., & Kate, A. (2015, June). Post-quantum forward-secure onion routing. In International Conference on Applied Cryptography and Network Security (pp. 263-286). Springer, Cham](https://ieeexplore.ieee.org/abstract/document/9363165)
 
-- [HKW21] <a name="[HKW21]">H. Hagemeier, S. Kousidis, and T. Wunderer. Standardisierung von post-quanten-kryptografie und empfehlungen des bsi. In German Federal Office for Information Security (BSI), editor, Tagungsband zum 17. Deutschen IT-Sicherheitskongress, page 382–294. SecuMedia Verlag, Ingelheim, Germany, Feb 2021. [No direct link available] </a>
+###### [HKW21]
+[H . Hagemeier, S. Kousidis, and T. Wunderer. Standardisierung von post-quanten-kryptografie und empfehlungen des bsi. In German Federal Office for Information Security (BSI), editor, Tagungsband zum 17. Deutschen IT-Sicherheitskongress, page 382–294. SecuMedia Verlag, Ingelheim, Germany, Feb 2021. Note: No direct link available!]
+
 ###### [HLL+21]
 [T. Hemmert, M. Lochter, D. Loebenberger, M. Margraf, S. Reinhardt, and G.Sigl. 2021. Quantencomputerresistente Kryptografie: Aktuelle Aktivitäten und Fragestellungen. InTagungsband zum 17. Deutschen IT-Sicherheitskongress, German Federal Office for Information Security (BSI) (Ed.). SecuMedia Verlag,Ingelheim, Germany, 367–380](https://www.secumedia-shop.net/Deutschland-Digital-Sicher-30-Jahre-BSI)