[{"draft":"","doc_id":"RFC0042","title":" Message Data Types ","authors":["E. Ancona"],"format":["ASCII","HTML"],"page_count":"3","pub_status":"UNKNOWN","status":"UNKNOWN","source":"Legacy","abstract":"  ","pub_date":"March 1970","keywords":["  "],"obsoletes":[""],"obsoleted_by":[""],"updates":[""],"updated_by":[""],"see_also":[""],"doi":"10.17487\/RFC0042","errata_url":null}]