Dominant: Greenbaum and Rubinstein, The Evolution of Fleece, New York Times [online] (2011) (2000105500) Recessive: Greenbaum, H. & D. Rubinstein, The New York Times, 'The Evolution of Fleece, From Scratchy to Snuggie' (versie 25 november 2016). http://www.nytimes.com/2011/11/27/magazine/fleece-scratchy-to-snu (2000105404)Greenbaum, H. & D. Rubinstein, The New York Times, 'The Evolution of Fleece, From Scratchy to Snuggie' (versie 25 november 2016), http://www.nytimes.com/2011/11/27/magazine/fleece-scratchy-to-snuggie. (2000105407)