Kruse, Gerhard <br/><br/>
On the problem of library collections requiring constant amendment and updating, as exemplified by patent specifications which, together with other literature, constitute legally relevant documentation when examining for novelty / Gerhard Kruse 

 - Stockholm, Sweden :  IFLA,  1990 
<br/><br/> 159-ADM-3-E  IFLA General Conference 56, 1990, Stockholm, Sweden  Monografía 
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