Remote real-time monitoring of subsurface landfill gas migration. by Fay, C, Doherty, A, Beirne, S, Collins, F, Foley, C, Healy, J, Kiernan, B, Lee, H, Maher, D, Orpen, D, Phelan, T, Qiu, Z, Zhang, K, Gurrin, C, Corcoran, B, O'Connor, N, Smeaton, A, Diamond, D