Elasticity references:
https://www.4shared.com/s/f60HjXWnRei
https://www.4shared.com/office/-T_j9Ynoei/ELASTICITY_sa.html |
https://www.4shared.com/office/n1uf0R8Bei/Ug_Elasticity_5th_.html
FE references: |
https://www.4shared.com/office/TXq9SM6jca/1_online.html