B 133.641 


Advances data-base-theory. -Advances in 
~ata Base1fbeory. Ed. by Hervb Ga11aire, 
Jack ninker and Jean Marie Nico1as. 
Val. 1-New YaOk, Landon: Plenum 
Press (1981-8 

1. /Mit Abb./ (1981). VII, 432 s.