@article{tomita_akamatsu_yashiro_mitsumata, 
  title={Left-handed metamaterials using ferromagnetic-metal nanocomposites}, 
  volume={78}, 
  DOI={10.11470/oubutsu.78.6_523}, 
  number={6}, 
  publisher={The Japan Society of Applied Physics}, 
  author={TOMITA, Satoshi and AKAMATSU, Kensuke and YASHIRO, Haruhiko and MITSUMATA, Chiharu}
  }