- Data is provided by Jeroen Baas, Kevin Boyack, John Ioannidis through Mendeley Data (https://data.mendeley.com/datasets/btchxktzyw/3)
- The sm-subfield-1 field was used to determine subfield categorization
- Rankings and composite scores are based on data that exclude self-citations
- Authors associated with sub-fields not related to engineering have been removed