diff --git a/doc/bib.md b/doc/bib.md
index b181a07..b3c26fc 100644
--- a/doc/bib.md
+++ b/doc/bib.md
@@ -36,6 +36,11 @@ D. A. McGrew and J. Viega,
 "The Galois/Counter Mode of operation (GCM).",
 http://csrc.nist.gov/CryptoToolkit/modes/proposedmodes/gcm/gcm-spec.pdf.
 
+### AbVaLo19 {#AbVaLo19}
+R. Abarzúa, C. Valencia and J. López,
+"Survey for Performance & Security Problems of Passive Side-channel Attacks Countermeasures in ECC",
+https://eprint.iacr.org/2019/010.pdf
+
 ### ABMSV03 {#ABMSV03}
 A. Antipa, D. Brown, A. Menezes, R. Struik, S. Vanstone,
 "Validation of Elliptic Curve Public Keys",
diff --git a/doc/ecdh.md b/doc/ecdh.md
index 5bbe060..3b0fcb6 100644
--- a/doc/ecdh.md
+++ b/doc/ecdh.md
@@ -67,7 +67,8 @@ an attack is possible. The attack has been extended by Akishita and Takagi
 multiplication have similar properties and hence that additional attacks are
 possible. The golang library was susceptible to this attack, since doubling a
 point with x-coordinate 1 typically resulted in an virtually endless loop
-[[CVE-2019-6486]](bib.md#CVE-2019-6486).
+[[CVE-2019-6486]](bib.md#CVE-2019-6486). A recent survey about timing and side
+channel attaks is [[AbVaLo19]](bib.md#AbVaLo19)).
 
 ## Side channel attacks that are not detectable by Wycheproof