. "The Gotha WD.14, WD.20, and WD.22 (for Wasser Doppeldecker - \"Water Biplane\") were a family of torpedo bomber seaplanes developed in Germany during World War I. They were conventional biplanes, essentially enlarged versions of the WD.11 and like it, having twin engines mounted tractor-fashion on the lower wing."@en . "69"^^ . .