"Harvey A." . . "2010-01-11" . . . . . . . . . . "Cohen" . "The geoscience handbook : AGI data sheets / compiled by J. Douglas Walker, Harvey A. Cohen, 2007. - . - LC Authorities. - http://authorities.loc.gov/. - 2010-01-11"@fr . "2013-08-07"^^ . "VIAF" . "Harvey A. Cohen"@fr . "2013-08-08" . . "male" . . "16170304"^^ . "Harvey A. Cohen" . . . . . "0000000073706419" . .