Alister Hardy, The living Stream: a restatement of évolution theory and its relation to the Spirit of Man, Londres, Collins, 1965, p. 229.
Archives du mot-clé engineering
The resulting structure
Clarence John Hylander, Insects on parade, New York , MacMillan, 1957, p. 160.
The conventional tubular case
Charles Aubrey Ealand, Animal Ingenuity of To-Day, Philadelphia, J.B. Lippincott Company, 1921, pp. 80-82.
Incongruous
H. Cholmondeley-Pennell, Fishing Gossip, Edimbourg, A. & C. Black 1866, pp. 71-72.