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Bassayya, K and Bhattacharya, K and Shrinivasa, U (2000) Eight-node brick, PN340, represents constant stress fields exactly. In: Computers and Structures, 74 (4). pp. 441-460.
Bassayya, K and Shrinivasa, U (2000) A 14-node brick element, PN5X1, exactly representing linear stress fields. In: Computers and Structures, 74 (2). pp. 147-165.
Bassayya, K and Shrinivasa, U (2000) A 14-node brick element, PN5X1, for plates and shells. In: Computers and Structures, 74 (2). pp. 167-178.