trabalhei na secao de trabalhos relacionados

vldb/ingles/references.bib

@@ -27,6 +27,24 @@
   pages = 	 {355--366}
 }
 
+@article{asw00,
+    author = {M. Atici and D. R. Stinson and R. Wei.},
+    title = {A new practical algorithm for the construction of a perfect hash function},
+    journal = {Journal Combin. Math. Combin. Comput.},
+    volume = {35},
+    pages = {127--145},
+    year = {2000}
+}
+
+@article{swz00,
+    author = {D. R. Stinson and R. Wei and L. Zhu},
+    title = {New constructions for perfect hash families and related structures using combinatorial designs and codes},
+    journal = {Journal Combin. Designs.},
+    volume = {8},
+    pages = {189--200},
+    year = {2000}
+}
+
 @inproceedings{ht01,
     author = {T. Hagerup and T. Tholey},
     title = {Efficient minimal perfect hashing in nearly minimal space},