Meyer, Antje S. Language Production Group Levelt , MPI for Psycholinguistics, Max Planck Society;
Meyer_Tip_of_the_Tong_Mem_Cog_1992.pdf (Publisher version), 2MB
Meyer, A. S., & Bock, K. (1992). The tip-of-the-tongue phenomenon: Blocking or partial activation? Memory and Cognition, 20, 181-211.