Update README.md

README.md

@@ -7,10 +7,15 @@ tags:
 - finance
 size_categories:
 - 1K<n<10K
+license: apache-2.0
 ---
 
 This is a dataset comprising 1003 images of invoices and receipts, as well as the transcription of relevant fields for each document – seller name, seller address, seller tax identification, buyer tax identification, invoice date, invoice total amount, invoice tax amount, and document reference. 
 
 It is organized as:
 - folder `1_Images`: files with pictures od the invoices/receipts 
-- folder `2_Annotations_Json`: text files with the annotations on a json format
+- folder `2_Annotations_Json`: text files with the annotations on a json format
+
+Also available at:
+- https://zenodo.org/records/7213544
+- https://zenodo.org/records/6371710