<p>More information on LEMMA is available in the following article:</p> <p>Krause, Wolfgang and Gerd Willee. \"Lemmatizing German Newspaper Texts with the Aid of an Algorithm.\" <em>Computers and the Humanities</em> 15.2 (1981): 101-113. <a href=\"http://link.springer.com/article/10.1007/BF02404203\" target=\"_blank\">Web</a>.</p>