Two-dimensional delay line SAW based Hydrogen gas sensor for leakage detection in pipelines using Palladium nano particles Harathi Nimmala, Kavitha Subramanian*, Argha Sarkar, Rajakumar Selvarajan, Saravanan Kothalamuthu, 10.22034/ijnd.2023.1988952.2227 XML Requires Subscription PDF Requires Subscription HTML downloads: 175 views: 39