De Boer, R. (October 1992). "Development of porous media theories — A brief historical review". Transport in Porous Media. 9 (1–2): 155–164. doi:10.1007/BF01039634. S2CID122255236.
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De Boer, R. (October 1992). "Development of porous media theories — A brief historical review". Transport in Porous Media. 9 (1–2): 155–164. doi:10.1007/BF01039634. S2CID122255236.