Giraldo, A., Gómez, C., & Rodríguez, E. (2002). Shell-size variation of Notoacmea biradiata (Archaeogastropoda: Acmaeidae) as a response to gastropod density and height in shore in the Colombian Pacific coast. Iniversidad Autónoma de Baja California.

Giraldo, A., C. Gómez, ja E. Rodríguez. Shell-size Variation of Notoacmea Biradiata (Archaeogastropoda: Acmaeidae) As a Response to Gastropod Density and Height in Shore in the Colombian Pacific Coast. Iniversidad Autónoma de Baja California, 2002.

Giraldo, A., C. Gómez, ja E. Rodríguez. Shell-size Variation of Notoacmea Biradiata (Archaeogastropoda: Acmaeidae) As a Response to Gastropod Density and Height in Shore in the Colombian Pacific Coast. Iniversidad Autónoma de Baja California, 2002.