[1] Huling, S. G., Weaver, J. W., "Dense Non Aqueous phase liquids, Ground Water Issue", Environmental Protection Agency, 1991, EPA/540/4-91-002.
[2] American Petroleum Institute," Laboratory Study of Petroleum Hydrocarbons in Groundwater", API Publication, US, 1985.
[3] Hunt, J. R., Sittar, N., Udell, K. S., "Non-Aqueous Phase Liquid Transport and Cleanup", Journal of Water Resource Research, 1988, 24 (8), 1259-1269.
[4] Mercer, J. W., Cohen, R. M., "A Review of Immiscible Fluids in The Subsurface: Properties, Models, Characterization and Remediation", Journal of Contaminant Hydrology, 1990, 6, 107-163.
[5] Annable, M. D., "Aqueous Phase Transport in Soils Contaminated With A Multi-Component Liquid Hydrocarbon and Subjected To Vapor Flow", PhD. Thesis, Michigan State University, US, 1991.
[6] Van Geel, P. J., Sykes, J. F., "Laboratory and Model Simulation of A LNAPL Spill in a Variably-Saturated Sand, 1. Laboratory Experiment and Image Analysis Techniques", Journal of Contaminated Hydrology, 1994, 17 (1), 1-25.
[7] Schroth, M. H., Istok, J. D., Selker, J. S., "Three-Phase Immiscible Fluid Movement In The Vicinity of Textural Interfaces", Journal of Contaminant Hydrology, 1998, 32, 1-23.
[8] Deeds, N. E., McKinney, D. C., Pope, G. A., "Laboratory Characterization of Non-Aqueous Phase Liquid Tracer Interaction In Support of aVadose Zone Partitioning Interwell Tracer Test", Journal of Contaminant Hydrology, 2000, 41, 193-204.
[9] Gribb, M. M., Bene, K. J., Shrader, A., "Sensitivity Analysis of a Soil Leachability Model for Petroleum Fate and Transport in the Vadose Zone", Journal of Advances in Environmental Research, 2002, 7, 59-72.
[10] Mohammadi, K., Mousavizadeh, H., Hawita, R., "An Experimental Investigation of Infiltration an Immiscible Organic Spill ina Variably Saturated Soil", SPE 13th Middle East Oil Show and Conference, Bahrain, 5-8 April, 2003.
[11] Simantiraki, F., Aivalioti, M., Gidarakos, E., "Implementation of an Image Analysis Technique to Determine LNAPL Infiltration and Distribution in Unsaturated Porous Media", Desalination, 2008, 248, 305-313.
[12] De Souza, V. A. D., De Castro, M. A. H., "Modeling Multiphase Flow Through Unsaturated Soil for Evaluation of Environmental Vulnerability of Oil Storage Tank Areas", Electronic Journal of Geotechnical Engineering, 2010, 15, 385-402.
[13] Jaehak, J., Charbeneau, R. J., "An Analytical Model for Predicting LNAPL Distribution and Recovery from Multi-Layered Soils", Journal of Contaminant Hydrology, 2013, http://dx.doi.org/10.1016/j.jconhyd.2013.09.008.
[14] Ramalho, A. M. Z., "Study of Contamination by Benzene Due Diesel and Gasoline Leaks at A Gas Station in Natal/Brazil", International Journal of Engineering and Technology, 2014, 14 (2), 49-54.
[15] Katyal, A. K., Kaluarachchi, J. J., Parker, J. C., "A Two Dimensional Finite Element Program for Multiphase Flow and Multicomponent Transport, Program Documention and User’s Guide", Center for Environmental and Hazardous Materials Studies, Virginia Polytechnic Institute and State University, EPA/600/2-91/020, 1991.
[16] Van Geel, P. J., Sykes, J. F., "Laboratory and Model Simulation of A LNAPL Spill in a Variably-Saturated Sand, 2. Comparison of Laboratory and Model Results", Journal of Contaminated Hydrology, 1994, 17 (1), 27-53.
[17] Panday, S., Wu, Y. S., Huyakorn, P. S., Wade, S. C., Saleem, Z. A., "A Composite Numerical Model for Assessing Subsurface Transport of Oily Wastes and Chemical Constituents", Journal of Contaminant Hydrology, 1997, 25, 39-62.
[18] American Petroleum Institute, "API Interactive LNAPL Guide",
www.api.org/lnapl, July 2004.
[19] Melching, C. S., Yoon, C. G., "Key Sources of Uncertainty in QUAL2E Model of Passaic River", Journal of Water Resource Planning and Management, 1996, 122 (2), 105-113.
[20] Mohammadi, K., "Numerical Modeling of Petroleum Contamination in the Subsurface layers", PhD. Dissertation, Ecolepolytechnique de Montreal, Canada, 1998.