00419nam a22001217a 4500020001800000082001200018100002000030245007700050260005800127300003600185500005000221650002600271  a9780805345965  a500 LEE  aLEE, Jeffrey A.  aThe scientific endeavor : a primer on scientific principles and practice  aSan Fransisco:bAddison Wesley Longman, Inc.,cc 2000  avi, 186p.:bill., graphs; 23 cm  aIncludes bibliographical references and index  aScience popular works