Macropaedia : Knowledge in Depth : Number - Prague.
Founded 1768 15-th ed
Chicago : Encyclopaedia Britannica, Inc., [1992].
1078 s., [40] s. tabl. kolor. : fot.(w tym kolor.), mapki, rys., portr. ; 28 cm.
(The New Encyclopaedia Britannica ; 25)
ISBN 0-85229-553-7
BU.158702