function importRecords($sourceText, $importRecordsRadio, $importRecordNumbersArray)
{
    // convert MODS XML format to RIS format:
    $sourceText = importBibutils($sourceText, "xml2ris");
    // function 'importBibutils()' is defined in 'execute.inc.php'
    // parse RIS format:
    return risToRefbase($sourceText, $importRecordsRadio, $importRecordNumbersArray);
    // function 'risToRefbase()' is defined in 'import.inc.php'
}
function importRecords($sourceText, $importRecordsRadio, $importRecordNumbersArray)
{
    // By passing RIS thru bibutils we receive a standard RIS format that may be easier to import than the original one.
    // You can use './import/import_ris2refbase.php' to import RIS records directly.
    // convert RIS format to MODS XML format:
    $sourceText = importBibutils($sourceText, "ris2xml");
    // function 'importBibutils()' is defined in 'execute.inc.php'
    // convert MODS XML format to RIS format:
    $sourceText = importBibutils($sourceText, "xml2ris");
    // function 'importBibutils()' is defined in 'execute.inc.php'
    // parse RIS format:
    return risToRefbase($sourceText, $importRecordsRadio, $importRecordNumbersArray);
    // function 'risToRefbase()' is defined in 'import.inc.php'
}
function importRecords($sourceText, $importRecordsRadio, $importRecordNumbersArray)
{
    // convert LaTeX/BibTeX markup into proper refbase markup:
    $sourceText = standardizeBibtexInput($sourceText);
    // function 'standardizeBibtexInput()' is defined in 'import.inc.php'
    // convert Bibtex format to MODS XML format:
    $sourceText = importBibutils($sourceText, "bib2xml");
    // function 'importBibutils()' is defined in 'execute.inc.php'
    // convert MODS XML format to RIS format:
    $sourceText = importBibutils($sourceText, "xml2ris");
    // function 'importBibutils()' is defined in 'execute.inc.php'
    // parse RIS format:
    return risToRefbase($sourceText, $importRecordsRadio, $importRecordNumbersArray);
    // function 'risToRefbase()' is defined in 'import.inc.php'
}