Here is the documentation I was thinking of: Choosing a method: http://www.hq.nasa.gov/office/pao/History/SP-4204/ch6-3.html http://www.hq.nasa.gov/office/pao

Here is the documentation I was thinking of: Choosing a method: http://www.hq.nasa.gov/office/pao/History/SP-4204/ch6-3.html http://www.hq.nasa.gov/office/pao/History/SP-4204/ch6-3.html http://www.hq.nasa.gov/office/pao/History/SP-4204/ch6-4.html http://www.hq.nasa.gov/office/pao/History/SP-4204/ch6-4.html Details on the crawler: http://www.hq.nasa.gov/office/pao/History/SP-4204/ch13-1.html http://www.hq.nasa.gov/office/pao/History/SP-4204/ch13-1.htm...