Efficient differential Fourier-transform spectrometer for precision Sunyaev-Zel’dovich effect measurementsAlessandro Schillaci, Giuseppe D'Alessandro, Paolo de Bernardis, Silvia Masi, Camila Paiva Novaes, Massimo Gervasi and Mario ZannoniA&A, 565 (2014) A125DOI: https://doi.org/10.1051/0004-6361/201423631