. . . "VIAF" . "Géologue" . "Michael Welland"@fr . . . . . . . . . . "2009-09-28" . . . . . "male" . "16138244"^^ . . . . "2013-08-08" . . "Welland" . . "0000000110359664" . . . "1946"^^ . "2013-08-07"^^ . . "Sand : a journey through science and the imagination / Michael Welland, 2009. - . - LC Authorities. - http://authorities.loc.gov/. - 2009-09-28"@fr . . "Michael Welland" . . "Michael" . "Géologue" . "Géologue"@fr . .