Academic Journal of Xi'an Jiaotong University , Volume 19(2), pages 235-240 .
Based on current research, here is the most relevant academic context for these terms: 235.rar
1.
"Study on the relationship between the RAR-β gene expressive defection and its methylation" Academic Journal of Xi'an Jiaotong University , Volume
"Nuclear energy - The solution to climate change?" discusses how limited U-235 supply may inhibit the expansion of current nuclear technology . Academic Journal of Xi'an Jiaotong University
If your interest is in , there are several highly-regarded papers regarding its role in energy and environmental safety:
Should we ignore U-235 series contribution to dose? - ScienceDirect