{HEAD ~ This ID number} can be used to provide {TAIL ~ references} and links to other relevant documents as well 
{ HEAD ~ This ID number } can be used to provide { TAIL ~ references } and links to other relevant documents as well
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH