explain,mode=sru
search,mode=sru&version=1.1&operation=searchRetrieve&query=lor
search_maxrecords,mode=sru&operation=searchRetrieve&query=lor&maximumRecords=2
search_startrecord_maxrecords,mode=sru&operation=searchRetrieve&query=lor&maximumRecords=2&startRecord=1
search_cql,mode=sru&operation=searchRetrieve&query=dc:title%20like%20'%lor%'&maximumRecords=5
