Akanksha argues that bidispersity leads to two-step yielding in Soft Matter

Agrawal A, Yu H.-Y., Srivastava S., Choudhury S., Narayanan S., Archer L.A., Dynamics and Yielding of Binary Self-Suspended Nanoparticle Fluids, Soft Matter, 2015, 11, 5224-5234.