%0 Journal Article %T Volume holographic gratings as optical sensor for heavy metal in bathing waters %A Bianco, G. %A Ferrara, M. A. %A Borbone, F. %A Zuppardi, F. %A Roviello, A. %A Striano, V. %A Coppola, G. %J Proceedings of SPIE %V 9506 %P 95062B-95062B-5 %@ 0277-786X %D 2015-05-05 %I SPIE %~ DeepDyve