Multi-quantum echoes in Gd'Al IND.2' zero-field NMR - Teles, João; Tozoni, José R.; Silva, Rodrigo Oliveira; Auccaise, Ruben; Rivera-Ascona, Christian; Vidoto, Edson Luiz Gea; Bonagamba, Tito José (Experimental Nuclear Magnetic Resonance Conference - ENC, 2012)