R. G. Butler, A. Harfenist, F. A. Leighton and D. B. Peakall. (1988). Impact of Sublethal Oil and Emulsion Exposure on the Reproductive Success of Leach's Storm-Petrels: Short and Long-Term Effects. Journal of Applied Ecology, 25(1), 125–143.
doi:10.2307/2403614