All the papers indexed in ASDF EDLIB are completely OPEN ACCESS. If the data is provided in the required format, the indexing is free. If the data isn't in the format or the PDF files are not encrypted, we charge a small quantity of 3 USD per paper.
All the PDF Files should be encrypted such that the Printing or Copying text is disabled with 128 Bit AES Security. This can be done using Adobe Acrobat Professional.
Download the Template for Filling the Data.