García, Carlos M.; Oberg, Kevin; García, Marcelo H. (2007). "ADCP Measurements of Gravity Currents in the Chicago River, Illinois". Journal of Hydraulic Engineering. 133 (12): 1356–1366. doi:10.1061/(ASCE)0733-9429(2007)133:12(1356). Unknown parameter |month= ignored (bantuan)
García, Carlos M.; Oberg, Kevin; García, Marcelo H. (2007). "ADCP Measurements of Gravity Currents in the Chicago River, Illinois". Journal of Hydraulic Engineering. 133 (12): 1356–1366. doi:10.1061/(ASCE)0733-9429(2007)133:12(1356). Unknown parameter |month= ignored (bantuan)