@book{ BD03569078,
  author    = "Sen, S. N. (Samarendra Nath) and Bag, A. K. and Baudhāyana and Āpastamba and Kātyāyana and Mānava",
  title     = "The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava : with text, English translation and commentary",
  publisher = "Indian National Science Academy",
  year      = "1983",
  URL       = "https://ci.nii.ac.jp/ncid/BD03569078"
}