1. Fundamentals of Cryogenic Engineering;Mukhopadhyay,2010
2. A helium cryostat;Collins;Rev Sci Instrum,1947
3. Thomas RJ, Ghosh P, Chowdhury K. Thermodynamic analysis of collin’s cycle: aspect of desining large scale helium liquefiers. Int Cryog Eng Conf 23, Wroclaw; July 19-21, 2010.
4. Role of expanders in helium liquefaction cycles: Parametric studies using Collins cycle;Thomas;Fusion Eng Des,2011
5. Thomas RJ, Basak S, Ghosh P, Chowdhury K. Helium liquefaction/refrigeration system based on claude cycle: a parametric study. In: Presented at 22nd Natinal Symposium on cryogenics, Indian Institute of Science, Bangalore, December 4-6, 2008. Indian J Cryog 2009; 34(1-4): p. 33–38.