Hull, S., Grahame, J., & Mill, P. J. (1999). Heat stability and activity levels of aspartate aminotransferase and alanine aminotransferase in British Littorinidae. Journal of Experimental Marine Biology and Ecology, 237(2), (255-270). doi:10.1016/s0022-0981(99)00006-4. ISSN 0022-0981