Dergiler / Technical University of Istanbul Bulletin / 1992 / Cilt: 45 - Sayı: 1A rectangular plane stress element with 12 degrees of freedomSumru PALA,Ahmet SAYGUNDergiTechnical University of Istanbul BulletinSayı1992 · Cilt: 45 - Sayı: 1Sayfa383–400DOI—