Anomalous local magnetic field distribution and strong pinning in CaFe1.94Co0.06As2 single crystalsPabitra Mandal, Gorky Shaw, S. S. Banerjee, Neeraj Kumar, S. K. Dhar and A. ThamizhavelEPL, 100 4 (2012) 47002DOI: https://doi.org/10.1209/0295-5075/100/47002