觀呼吸（無庫存）Guan hu xi  by Buddhadasa Bhikkhu.

Translated from English (Ānāpānasati : Mindfulness of Breathing) by 鄭振煌 Cheng Chen-huang.

財團法人慧炬出版社 Torch of Wisdom, Taipei, 1996. 272 p. ISBN: 957-518-085-2 [INFO]