00709nam a22001817a 450000500170000000800410001702000150005804000510007304100080012408000140013211000150014624500520016126000380021330000140025152002160026565000200048165500260050120260825072232.0260825b        |||||||| |||| 00| 0 eng d  a0716600978  aDSBAcDavlat siyosati va boshqaruv akademiyasi  aeng  a030bT-44  aWorld Book  aThe World Book Encyclopedia: W-X-Y-ZbVolume 21  aChicagob"World Book, Inc."c1997  a622 pages  aThis volume of The World Book Encyclopedia covers topics beginning with the letters W, X, Y, and Z. It provides clear and useful information on people, places, science, history, culture, and many other subjects. 0aReference works 0aGeneral encyclopedias