Elfeki, A. M. M., Uffink, G. J. M., Barends, F. B. J., Uffink, G. J., Barends, F. B., & Uffink, G. J. M. (1997). Groundwater contaminant transport: Impact of heterogenous characterization: a new view on dispersion. Rotterdam ; Brookfield, VT: Balkema.

Elfeki, Amro M. M., G. J. M. Uffink, F. B. J. Barends, Gerard J.M Uffink, Frans B.J Barends, and Gerardus Jacobus Maria Uffink. Groundwater Contaminant Transport: Impact of Heterogenous Characterization: A New View On Dispersion. Rotterdam ; Brookfield, VT: Balkema, 1997.

Elfeki, Amro M. M., et al. Groundwater Contaminant Transport: Impact of Heterogenous Characterization: A New View On Dispersion. Rotterdam ; Brookfield, VT: Balkema, 1997.