00538nam a2200157Ia 4500008004100000020001800041022001300059040001300072082001700085100001200102245006000114260004800174300003800222500009800260650002200358191130s2000##################000#0#eng##  a9780521039079  a99021392  aACLcACL  a523.1135 KWO  aKwok, S  aThe origin and evolution of planetary nebulaecSun Kwok  aCambridgebCambridge University Pressc2000  axiii, 243 p. : ill., maps ; 26 cm  aSeries no. on cover and spine: 31. Includes bibliographical references (p. 223-235) and index  aPlanetary nebulae