Large magnetocaloric effect and critical behaviour analysis in Gd2Cu2In K. Ramesh Kumar, Harikrishnan S. Nair, B. N. Sahu, Sindiwise Xhakaza and André M. Strydom EPL, 122 1 (2018) 17003 Published online: 29 May 2018 DOI: 10.1209/0295-5075/122/17003