@article{7505,
      author       = "Skinner, Brian J. and Porter, Stephen c.",
      title        = "The dynamic earth: an introduction to physical geology  ;
                      Second ed",
      year         = "1992",
      note         = "1 sv. - Index. - Slov. - Příl. - tab. - Summ. - Lit. -
                      Import. terms.",
}