Document Collection Contents The document collection contains documentation files, where available, for this bundle. All document files will have an accompanying label file to describe content and structure. Label files have the same name as the main document file, with an extension of ".xml". pds_readme.pdf - PDS Readmet (text version) - This is an ASCII text version of the README file that covers the structure of the asteroid lightcurve database (LCDB) and detailed information about LCDB construction, i.e., definition of terms, values, and explanations of criteria used to assign values and/or whether or not to include certain data. pds_readme.txt - PDS Readmet (text version) - This is an ASCII text version of the README file that covers the structure of the asteroid lightcurve database (LCDB) and detailed information about LCDB construction, i.e., definition of terms, values, and explanations of criteria used to assign values and/or whether or not to include certain data. bundle_description.txt - Bundle description for the ast-lightcurve-database bundle - A document describing the content and structure of the bundle. AA_Document_Index.txt - Document Index - The file you are reading. collection_ast-lightcurve-database_document_inventory.csv - Collection Inventory - An inventory of document products in this collection.