Chung, D. J. D. (May 1986). “Molluscan 'Love darts'?”. Hawaiian Shell News 34 (5): 3–4. Chung, Daniel J. D. (April 2007). “Molluscan 'Love Darts'?” . Internet Hawaiian Shell News: 11–5. http://internethawaiishellnews.org/IHSN/2007/0704/Mon/page11.html .