@article{ author = {Pahlavani, Arash, Pourkermani, Mohsen}, title = {Geometrical interpretation of positive and negative flower structure model}, journal = {Geotechnical Geology}, year = {2008}, volume = {4}, issue = {2}, pages = {90-96}, doi = {}, url = {https://sanad.iau.ir/fa/Article/1038049} }