@conference {cMontolio93, title = {Character recognition and document analysis by morphological techniques}, booktitle = {WORKSHOP ON MATHEMATICAL MORPHOLOGY AND ITS APPLICATIONS TO SIGNAL PROCESSING}, year = {1993}, pages = {198{\textendash}203}, author = {Montolio, P. and Gasull, A. and Corbera, L. and Marqu{\'e}s, F.} }