Ullmann, Fritz,  1875-1939. <br/><br/>
Ullmann's Encyclopedia of industrial chemistry :  Vol. B2,Unit operations. 1  / 
Fritz Ullmann ; executive editor, Wolfgang Gerhartz. 
 - 5th, completely rev. ed. 
 -  VCH Publishers,  1988. 
<br/><br/> "In the English language rather than in the German of its predecessors"--Pref.  Rev. ed. of: Ullmanns Encyklopädie der technischen Chemie. 4. neubearbeitete und erw. Aufl. 1972-1975.  Volumes A1-A28: alphabetically arranged articles.  Volumes B1-B8: basic knowledge.  U.S. publisher for v. A12-A16, B1- index 2: New York : VCH Publishers.  Errata for v. A3-A15 inserted in v. A16.  Errata for v. A1-A22 and B1-B4 inserted in v. B6.  Accompanied by indexes to vols. A1-A21, B1-B4 (regularly updated).  Editors vary. 
<br/><br/><label>ISBN: </label>0895735377 (VCH New York : v. B2) :  $200.00 
<br/><br/><label>LCCN: </label>84025829  
<br/><br/><label>Subjects--Index Terms: </label>ქიმია სამრეწველო ქიმია ენციკლოპედიები 
<br/><br/><label>LC Class. No.: </label>TP9  / .U57 1985 
<br/><br/><label>Dewey Class. No.: </label>660/.03/21 
<br/><br/><label>Universal Decimal Class. No.: </label>66(03)