https://www.researchgate.net/publication/222226730_Symposium_Overview_The_Use_of_Delayed_Matching-to-Sample_Procedures_in_Studies_of_Short-Term_Memory_in_Animals_and_Humans
https://www.researchgate.net/publication/222226730_Symposium_Overview_The_Use_of_Delayed_Matching-to-Sample_Procedures_in_Studies_of_Short-Term_Memory_in_Animals_and_Humans