文档介绍：alog/;,NationalResearchCouncilISBN:0-309-55292-3,260pages,,(1996)ThisPDFisavailablefromtheNationalAcademiesPressat:alog/,theauthoritativesourceforallbooksfromtheNationalAcademyofSciences,theNationalAcademyofEngineering,theInstituteofMedicine,andtheNationalResearchCouncil:•DownloadhundredsoffreebooksinPDF•Readthousandsofbooksonlineforfree•Exploreourinnovativeresearchtools–trythe“ResearchDashboard”now!•Signuptobenotifiedwhennewbooksarepublished•,questionsorjustwantmoreinformationaboutthebookspublishedbytheNationalAcademiesPress,youmaycontactourcustomerservicedepartmenttoll-freeat888-624-8373,visitusonline,******@©,,posting,,Mathematics,andApplicationsNationalResearchCouncilandBoardonBiobehavioralSciencesandMentalDisordersriginalpaperbook,,andsome,,:posedfromfilescreatedXMLthefromolinelengths,wordbreaks,original;headingstyles,theandothertypesetting-specificformatting,however,©:TheprojectthatisthesubjectofthisreportwasapprovedbytheGover