Unusual large magnetostriction in the ferrimagnet Gd2/3Ca1/3MnO3 V. F. Correa, N. Haberkorn, G. Nieva, D. J. García and B. Alascio EPL, 98 3 (2012) 37003 Published online: 11 May 2012 DOI: 10.1209/0295-5075/98/37003