vti_encoding:SR|utf8 vti_cachedlinkinfo:VX|H|mailto:lcarlson@physics.spa.umn.edu H|mailto:carl0590@tc.umn.edu H|laura.html H|http://www.physics.umn.edu/groups/physed vti_extenderversion:SR|2.0.2.1406 vti_nexttolasttimemodified:TR|19 Jan 1999 14:33:59 -0600 vti_timelastmodified:TR|19 Jan 1999 14:37:05 -0600 vti_cachedbodystyle:SR| vti_cacheddtm:TX|19 Jan 1999 14:37:05 -0600 vti_timecreated:TR|19 Jan 1999 12:32:21 -0600 vti_author:SR|Laura McCullough vti_title:SW|Recommended F&SF vti_cachedtitle:SR|Recommended F&SF