Horst Janus, Pond Life in the Aquarium, Londres, Studio Vista, 1966, p. 38.
Archives du mot-clé quiver
Reservoirs of the U.R.S.S.
V.I. Zhadin & S.V. Gerd , Fauna and flora of the rivers, lakes, and reservoirs of the U.R.S.S., Washington D.C., Smihsonian Inst, 1963, p. 92.
Journal
Henry David Thoreau, Journal , vol. 8, 9, 10, 11, 13, 14, 15, 20, Boston, Houghtonn Mifflin & Company, 1905.
The disguise availed it nothing
Douglas English, Wee Tim’rous Beasties Studies of Animal life and Character, Londres, S.H. Bousfield & Co., 1903.