Norman, R.M. Sr. Heat pipe dynamics. Final report, April 30, 1981. [Uses of heat pipe, especially in solar collector], report, January 1, 1981; (https://digital.library.unt.edu/ark:/67531/metadc1092296/m1/1/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .