. "2009-08-07" . "Environmental hazards : assessing risk and reducing disaster / Keith Smith and David N. Petley, 2009. - . - LC Authorities. - http://authorities.loc.gov/. - 2009-08-07"@fr . . "male" . "2013-08-07"^^ . . . "16105623"^^ . . . . . . . . . . . . "David N. Petley" . "Petley" . "0000000066654462" . . . "David N. Petley"@fr . . . "2013-08-07" . "David N." . "VIAF" . . .