Genetic control of the determination of thoracic and antennal discs in drosophila melanogaster 2 manifestation of the antennapedia nasobemia and bi thorax mutations in antennal and meta thoracic discs Ivanov, V.I. Soviet Genetics (english Translation Of Genetika): 339-345 1981 https://eurekamag.com/research/028/380/028380864.php