. "0000000046393496" . "Warren Douglas Stevens"@fr . "1944"^^ . "Warren Douglas Stevens" . . . "male" . "2013-08-08"^^ . "Warren Douglas" . . "VIAF" . . . . . "2012-06-04" . . . . . . . "16601749"^^ . "Flora de Nicaragua, Tomo IV : Helechos / W. D. Stevens, Olga Martha Montiel y Amy Pool, editores, 2009. - . - LC Authorities. - http://authorities.loc.gov. - 2012-06-04"@fr . . . "2013-08-08" . . . "Stevens" . .