Yes you are correct sir. In all respects. My thoughts were to the applicability??? of a thermistor for that application, for several reasons that I don't need to state... The Tables and the math involved is Here: http://www.phanderson.com/arduino/index.htm, there is a lot of interesting knowledge here. At least enough to interest my small But Active mind and the Arduino is but a small part of his (Anderson's) work.
I Do Hope this Helps.
Doc