Gresse, Carole (2017). Effects of Lit and Dark Market Fragmentation on Liquidity. Journal of Financial Markets, 35, 1-20. Link to paper.
Degryse, Hans, and Nikolaos Karagiannis (2017). Once Upon a Broker Time? Order Preferencing and Market Quality. Available at SSRN: https://ssrn.com/abstract=3186009 or http://dx.doi.org/10.2139/ssrn.3186009.
Degryse, Hans, Rudy De Winne, Carole Gresse, and Richard Payne. Cross-Venue Liquidity Provision: High Frequency Trading and Ghost Liquidity.