@inproceedings{SPP-2003-2B-03, title={Measurement of negative ion density in a magnetized sheet plasma by DC laser photodetachment method}, volume={21}, booktitle={Proceedings of the Samahang Pisika ng Pilipinas}, author={Takahashi, Hidenori and Arciaga, Marko E. and Mendenilla, Alexander G. and Kasuya, Toshiro and Ramos, Henry J. and Wada, Motoi}, year={2003}, pages={SPP-2003-2B-03}, url={https://proceedings.spp-online.org/article/view/SPP-2003-2B-03} }