Mohamed A. Attia Salwa A. Mohamed Nonlinear thermal buckling and postbuckling analysis of bidirectional functionally graded tapered microbeams based on Reddy beam theory. 525-554 2022 38 Eng. Comput. 1 https://doi.org/10.1007/s00366-020-01080-1 db/journals/ewc/ewc38.html#AttiaM22