Calorimetric determination of fragility in glass forming liquids: Tf vs. Tg-onset methods Zeming Chen, Zijing Li, Yaqi Zhang, Riping Liu, Yongjun Tian and Li-Min Wang Eur. Phys. J. E, 37 6 (2014) 52 Published online: 26 June 2014 DOI: 10.1140/epje/i2014-14052-y