The 5 Articles

http://proquest.umi.com/pqdweb?index=2&did=1273888971&SrchMode=1&sid=3&Fmt=3&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1228256640&clientId=16083


http://proquest.umi.com/pqdweb?index=5&did=1044119981&SrchMode=1&sid=4&Fmt=3&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1228256734&clientId=16083


http://proquest.umi.com/pqdweb?index=9&did=585480181&SrchMode=1&sid=4&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1228256734&clientId=16083


http://proquest.umi.com/pqdweb?index=39&did=11532199&SrchMode=1&sid=5&Fmt=4&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1228256936&clientId=16083


http://proquest.umi.com/pqdweb?index=41&did=10423838&SrchMode=1&sid=5&Fmt=3&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1228256995&clientId=16083