Go to the corresponding LIPIcs Volume Portal 
pdfformat: 

@InProceedings{feige:LIPIcs:2008:1767, author = {Uriel Feige}, title = {{On Estimation Algorithms vs Approximation Algorithms}}, booktitle = {IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science}, pages = {357363}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {9783939897088}, ISSN = {18688969}, year = {2008}, volume = {2}, editor = {Ramesh Hariharan and Madhavan Mukund and V Vinay}, publisher = {Schloss DagstuhlLeibnizZentrum fuer Informatik}, address = {Dagstuhl, Germany}, URL = {http://drops.dagstuhl.de/opus/volltexte/2008/1767}, URN = {urn:nbn:de:0030drops17676}, doi = {10.4230/LIPIcs.FSTTCS.2008.1767}, annote = {Keywords: Estimation Algorithms, Approximation Algorithms, Combinatorial Optimization} }
Keywords:  Estimation Algorithms, Approximation Algorithms, Combinatorial Optimization  
Collection:  IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science  
Issue Date:  2008  
Date of publication:  05.12.2008 