There is also a review available online from:
Hamilton RW, Thalmann ED. Decompression practice. In:
Bennett and Elliott's Physiology and Medicine of Diving (5th ed.), edited by Brubakk AO and Neuman TS. Philadelphia: Saunders, 2003.
http://intl.elsevierhealth.com/e-books/pdf/317.pdf
Altitude starts on page 481