Br̥had vimānaśāstra : arthāt, Maharshibharadvājapraṇīta "Yantrasarvasva" granthāntargata Yatibodhānandakr̥taślokabaddhavr̥ttisahita "Vaimānika prakaraṇa" . - Bhāradvāja, Rishi (Brahmamuni Parivrājaka, 1893-1978. Brahmamunigranthamālā, 1977)