Update README.md

README.md

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 - **Point of Contact:** [Carlos Rodríguez-Penagos](mailto:carlos.rodriguez1@bsc.es) and [Carme Armentano-Oller](mailto:carme.armentano@bsc.es)
 ### Dataset Summary
 
-  CatalanQA: It is an aggregation and balancing of 2 previous datasets: VilaQUAD and ViquiQUAD, which were described in 
-
+  CatalanQA: 
+  
+  It is an aggregation and balancing of 2 previous datasets: VilaQUAD and ViquiQUAD, which were described in 
+[The Catalan Language CLUB] (https://arxiv.org/abs/2112.01894)
 This dataset can be used to build extractive-QA and Language Models.
 
 Splits have been balanced by kind of question, and unlike other datasets like SQUAD, it only contains, per record, one question and one answer for each context, although the contexts can repeat multiple times.