Akamatsu, S. (2000). Cultured pearls, in: Martin, R.E. et al. (Ed.) Marine and freshwater products handbook. pp. 595-597
In: Martin, R.E. et al. (2000). Marine and freshwater products handbook. Technomic Publishing Co.: Lancaster. ISBN 1-56676-889-6. XVIII, 964 pp. https://dx.doi.org/10.1201/9781482293975, more
