1) Belytschko T. Fish, J. and Bayliss A. The spectraol verlayo n finite elementfso rp roblemsw ithh ighg radient Csompute Mr ethodsin Applied Mechanicasn d Engineering8, 1 (1990) 7 1-89
2) Fish, J., The s-versionof the finitee lement method, C omputers & Structures4, 3-3 (1992) 5 39-547
3) Fish, J. and Markolefas S, Adaptives-methodf or linere lastostalics, Compute Mrethods in A pplied Mechanicasnd, 104 (1993) 3 63-396
