A review of new and existing non-extractive techniques for monitoring marine protected areas oleh Ryan McGeady, Ryan McGeady, Robert M. Runya, James S. G. Dooley, John A. Howe, Clive J. Fox, Andrew J. Wheeler, Andrew J. Wheeler, Andrew J. Wheeler, Gerard Summers, Alexander Callaway, Suzanne Beck, Louise S. Brown, Gerard Dooly, Chris McGonigle