root.bib: Add missing @string definition for APL

diff --git a/src/root.bib b/src/root.bib
index fd943d33f30374e92625dbc86bcd326c8cd5ddc8..6f094334f28452d01a4ae02e6a66c3c7ad317b84 100644 (file)
--- a/src/root.bib
+++ b/src/root.bib
@@ -1,6 +1,7 @@
 @string{AAPT = "AAPT"}
 @string{ACSChemBiol = "ACS Chem Biol"}
 @string{AIP = "AIP"}
+@string{APL = "Applied Physics Letters"}
 @string{DAbramavicius = "Abramavicius, Darius"}
 @string{JFAbril = "Abril, J. F."}
 @string{JAbu-Threideh = "Abu-Threideh, J."}