DR. S.K. DUBEY, PRAKASH SANGAMNERKAR, and ANKIT AGRAWAL. 2015. “DYNAMICS ANALYSIS OF STRUCTURES SUBJECTED TO EARTHQUAKE LOAD”. International Journal of Advance Engineering and Research Development (IJAERD) 2 (9):11-19. https://www.ijaerd.org/index.php/IJAERD/article/view/1011.