Darshak Patel, V. R. Panchal and Maulik Patel 2019. Seismic Isolation of Building-Equipment System Using Modified Variable Friction Pendulum System . Journal on Today’s Ideas - Tomorrow’s Technologies. 7, 1 (Jun. 2019), 47–60. DOI:https://doi.org/10.15415/jotitt.2019.71003.