<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>5877</REFNUM><AUTHORS><AUTHOR>Irving,R.W.</AUTHOR><AUTHOR>Fraser,C.B.</AUTHOR></AUTHORS><YEAR>1993</YEAR><TITLE>On the worst case behaviour of some approximation algorithms for the shortest common supersequence</TITLE><PLACE_PUBLISHED>Proceedings of CPM'93, the Fourth Annual Symposium on Combinatorial Pattern Matching, Padova, Italy, Lecture Notes in Computer Science vol. 684 </PLACE_PUBLISHED><PUBLISHER>Springer</PUBLISHER><PAGES>63-73</PAGES><LABEL>Irving:1993:5877</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>