diff --git a/bib/sivanov-dblp.bib b/bib/sivanov-dblp.bib
index 0795a31..d1e2aa7 100644
--- a/bib/sivanov-dblp.bib
+++ b/bib/sivanov-dblp.bib
@@ -1,3 +1,40 @@
+@article{DBLP:journals/jmemcom/AlhazovFIORR24,
+  author       = {Artiom Alhazov and
+                  Rudolf Freund and
+                  Sergiu Ivanov and
+                  David Orellana{-}Mart{\'{\i}}n and
+                  Antonio Ram{\'{\i}}rez{-}de{-}Arellano and
+                  Jos{\'{e}}{-}Antonio Rodr{\'{\i}}guez{-}Gallego},
+  title        = {P systems with reactive membranes},
+  journal      = {J. Membr. Comput.},
+  volume       = {6},
+  number       = {2},
+  pages        = {82--93},
+  year         = {2024},
+  url          = {https://doi.org/10.1007/s41965-024-00144-1},
+  doi          = {10.1007/S41965-024-00144-1},
+  timestamp    = {Wed, 19 Jun 2024 01:00:00 +0200},
+  biburl       = {https://dblp.org/rec/journals/jmemcom/AlhazovFIORR24.bib},
+  bibsource    = {dblp computer science bibliography, https://dblp.org}
+}
+
+@article{DBLP:journals/corr/abs-2405-18630,
+  author       = {Sergiu Ivanov and
+                  Damien Regnault},
+  title        = {A linear bound for the size of the finite terminal assembly of a directed
+                  non-cooperative tile assembly system},
+  journal      = {CoRR},
+  volume       = {abs/2405.18630},
+  year         = {2024},
+  url          = {https://doi.org/10.48550/arXiv.2405.18630},
+  doi          = {10.48550/ARXIV.2405.18630},
+  eprinttype    = {arXiv},
+  eprint       = {2405.18630},
+  timestamp    = {Thu, 27 Jun 2024 01:00:00 +0200},
+  biburl       = {https://dblp.org/rec/journals/corr/abs-2405-18630.bib},
+  bibsource    = {dblp computer science bibliography, https://dblp.org}
+}
+
 @article{DBLP:journals/tcs/AlhazovFIV23,
   author       = {Artiom Alhazov and
                   Rudolf Freund and
@@ -1249,7 +1286,7 @@
   author       = {Sergiu Ivanov and
                   Artiom Alhazov and
                   Vladimir Rogojin and
-                  Miguel A. Guti{\'{e}}rrez{-}Naranjo},
+                  Miguel Angel Guti{\'{e}}rrez{-}Naranjo},
   title        = {Forward and Backward Chaining with {P} Systems},
   journal      = {Int. J. Nat. Comput. Res.},
   volume       = {2},
@@ -1258,7 +1295,7 @@
   year         = {2011},
   url          = {https://doi.org/10.4018/jncr.2011040105},
   doi          = {10.4018/JNCR.2011040105},
-  timestamp    = {Mon, 26 Oct 2020 00:00:00 +0100},
+  timestamp    = {Tue, 28 May 2024 01:00:00 +0200},
   biburl       = {https://dblp.org/rec/journals/ijncr/IvanovARG11.bib},
   bibsource    = {dblp computer science bibliography, https://dblp.org}
 }