Gagen, M., Matthews, N., Denman, S., Bridge, M., Peace, A., Pike, R., & Young, G. (2019). The tree ring growth histories of UK native oaks as a tool for investigating Chronic Oak Decline: An example from the Forest of Dean. Dendrochronologia, 55, pp. 50-59. doi:10.1016/j.dendro.2019.03.001

Gagen, Mary, Neil Matthews, Sandra Denman, Martin Bridge, Andrew Peace, Rebecca Pike, and Giles Young. "The Tree Ring Growth Histories of UK Native Oaks As a Tool for Investigating Chronic Oak Decline: An Example From the Forest of Dean." Dendrochronologia 55 (2019): 50-59.

Gagen, Mary, et al. "The Tree Ring Growth Histories of UK Native Oaks As a Tool for Investigating Chronic Oak Decline: An Example From the Forest of Dean." Dendrochronologia 55 (2019): 50-59.