by Friedman, Sharon M., Villamil, Kara, Suriano, Robyn A., Egolf, Brenda P.
Published in Public understanding of science (Bristol, England) (01.01.1996)

by Villamil, Kara
Published in The World & I (01.05.1998)

by Kara Villamil Gavin
Published in The World & I (01.03.1999)