Book in print  : 1991-1992 
/ prep. by R. R. Bower's database publishing group in collaboration with the publication systèms departement 
. - New Jersey; New Providence  : R. R. Bowker, C. 1991
. - Vol3-4841-7231  ; 28Cm. 
<br/><br/><label>ISBN: </label>0325231089 
<br/><br/><label>Source: </label>166661 
<br/><br/><label>Universal Decimal Class. No.: </label>010.