@inproceedings{CTT100780311, author = {X. Zang and W. Kawade and Y. Ueno and Naohiro Yoshida}, title = {Experimental study on synthesis of ammonia and organic nitrogen species by photochemistry on terrestrial planets}, booktitle = {}, year = 2017, } @inproceedings{CTT100780313, author = {W. Kawade and X. Zang and Y. Ueno and Naohiro Yoshida}, title = {Influence of redox environment on UV organic synthesis}, booktitle = {}, year = 2017, } @inproceedings{CTT100780284, author = {X. Zang and W. Kawade and N. Kitadai and Y. Ueno}, title = {Abiotic Nitrogen Fixation and Organic Synthesis by Photochemistry on Early Mars}, booktitle = {}, year = 2017, }