232Th:
Roy-Barman, M., Chen, J. H., and Wasserburg, G. J., 1996. 230Th-232Th systematics in the central Pacific Ocean: the sources and the fates of thorium. Earth Planet. Sci. Lett. 139: 351-363.Chen, J. H., Edwards, R. L., and Wasserburg, G. J., 1986. 238-U, 234-U and 232-Th in seawater. Earth Planet. Sci. Lett. 80: 241-251.
230Th:
Mangini, A. and Key, R. M., 1983. A 230Th profile in the Atlantic Ocean. Earth Planet. Sci. Lett. 62: 377-384.
Roy-Barman, M., Chen, J. H., and Wasserburg, G. J., 1996. 230Th-232Th systematics in the central Pacific Ocean: the sources and the fates of thorium. Earth Planet. Sci. Lett. 139: 351-363.
234Th:
Coale, K. H., and Bruland, K. W., 1987. Oceanic stratified zone as elucidated by 234Th:238U disequilibria. Limnol. Oceanogr. 32: 189-200.