A Shovel With a Perforated Blade Reduces Energy Expenditure Required for Digging Wet Clay. - Sridhar Harivanam; Richard W. Marklin; Paula E. Papanek; Vikram Cariapa (Hum. Factors, 2010)

Resolving the angular velocity of two-dimensional particle interactions induced within a rotary tumbler. - Nathaniel S. Helminiak; David S. Helminiak; Vikram Cariapa; John P. Borg (J. Vis., 2018)