インドの有人宇宙飛行計画
India's Space Odyssey - by Raj Chengappa - India Today, pp 60 to 66 - February 5, 2007
http://planningcommission.nic.in:80/aboutus/committee/wrkgrp11/wg11_subspace.pdf
http://www.indianexpress.com/news/plan-panel-okays-isro-manned-space-flight/426945/