""Relative Efficiency Of Phonetic Alphabets: An Experimental Investigation Of The Comparative Merits Of The Webster Key Alphabet (1911)"" is a book written by Guy Montrose Whipple. The book is an experimental study that compares the effectiveness of different phonetic alphabets, with a focus on the Webster Key Alphabet. The author conducts a series of experiments to determine the relative efficiency of different phonetic alphabets in terms of accuracy,...