TY - RPRT TI - Generalization of rectangular element stiffness matrix and thermal load vector associated with a(0) + a(1)x + a(2)y + a(3)xy type interpolation rule AU - Ray, Sujit K. AU - Utku, Senol AU - Wada, Ben K. PY - 1986 UR - https://ntrs.nasa.gov/citations/19870041998 ID - 19870041998 ER -