diff --git a/biblio.bib b/biblio.bib
index e6aec0d..55de4b0 100644
--- a/biblio.bib
+++ b/biblio.bib
@@ -1,3 +1,40 @@
+@article {ACNLM02,
+	AUTHOR = {Artal Bartolo, E. and Cassou-Nogu\`es, P. and Luengo, I. and
+	Melle Hern\'andez, A.},
+	TITLE = {Monodromy conjecture for some surface singularities},
+	JOURNAL = {Ann. Sci. \'Ecole Norm. Sup. (4)},
+	FJOURNAL = {Annales Scientifiques de l'\'Ecole Normale Sup\'erieure.
+	Quatri\`eme S\'erie},
+	VOLUME = {35},
+	YEAR = {2002},
+	NUMBER = {4},
+	PAGES = {605--640},
+	ISSN = {0012-9593},
+	MRCLASS = {32S40 (14B05 14G10 32S25)},
+	MRNUMBER = {1981174},
+	MRREVIEWER = {Jan\ Stevens},
+	DOI = {10.1016/S0012-9593(02)01100-X},
+	URL = {https://doi.org/10.1016/S0012-9593(02)01100-X},
+}
+
+
+@article {GSLM97,
+	AUTHOR = {Gusein-Zade, S. M. and Luengo, I. and Melle-Hern\'andez, A.},
+	TITLE = {Partial resolutions and the zeta-function of a singularity},
+	JOURNAL = {Comment. Math. Helv.},
+	FJOURNAL = {Commentarii Mathematici Helvetici},
+	VOLUME = {72},
+	YEAR = {1997},
+	NUMBER = {2},
+	PAGES = {244--256},
+	ISSN = {0010-2571,1420-8946},
+	MRCLASS = {32S25 (14B05)},
+	MRNUMBER = {1470090},
+	MRREVIEWER = {Jan\ Stevens},
+	DOI = {10.1007/s000140050014},
+	URL = {https://doi.org/10.1007/s000140050014},
+}
+
 @inproceedings {st:77,
     AUTHOR = {Steenbrink, J.H.M.},
      TITLE = {Mixed {H}odge structure on the vanishing cohomology},