020: a0-85229-522-7

041: aeng

082: a032bE563

100: aEncyclopaedia Britannica.

245: aBritannica Book of the Year:b1990

250: a15 ed.

260: aChicago; USA:bEncyclopaedia Britannica,c1990.

440: aColección: Referencia

520: aCONTENTS: ANUARIO de 1990 de la Enciclopedia británica. Calendar, Features, The New Face of Eastern Europe, The Future Has Started by the right Honourable Brian Mulroney, prime Minister of Canada,The Alma-Ata Declaration: Health for All by the Year 2000? by Kenneth S. Warren, Britannica Awards, Chronology of 1989, Britannica Update, Mayor Revisions from the 1990 Macropaedia, Economic systems, The Theory and Conduct of War: STrategy in the Nuclear Age, The Technology of War: Strategic Missiles, Mozart, Bibliography: Recent Books, The Year in Review, People of 1989, Biographies, Obituaries, Events of 1989, Book of the Year Contributors, World Data, Index.

650: aENCICLOPEDIAS

650: aDICCIONARIOS

650: aANUARIOS