Cotton-yarn/TiO dispersed resin photonic crystals with straight and wavy structuresY. Watanabe, T. Kobayashi, S. Kirihara, Y. Miyamoto and K. SakodaEur. Phys. J. B, 39 3 (2004) 295-300DOI: https://doi.org/10.1140/epjb/e2004-00194-9