Characterizing the Software Process A Maturity Framework / 87tr011.pdf (application/pdf Object)
Original paper [report] by Watts Humphrey, which is later become the famost CMM book. (Managing the Software Process, by Watts Humphrey, originally published in 1989) . Also see http://www.amazon.com/s?ie=UTF8&tag=mozilla-20&index=blended&link_code=qs&field-keywords=Managing%20the%20Software%20Process