00297nam a22001217a 4500040000900000082001700009100002000026245006700046250001800113260002700131300001000158521000700168  cNUST  a620.001bLOG  aLogan, Daryl L.  aA First Course in the  Finite Element Method /cDaryl L. Logan  aSixth Edition  aUSA :bCengage;c2017.  a980p.  bHB