Gene E. Topper

Bigram versatility and bigram frequency

Robert L. Solso, Gene E. Topper, William H. Macey, 1973 .

Letter Frequency and Versatility Retrieval Constraints on Thinking of a Word

Gene E. Topper, G. Topper, 1975 .

Anagram solution as a function of bigram versatility

Gene E. Topper, Robert L. Solso, William H. Macey, 1973 .