%0 Journal Article %T Polyphosphoric acid supported on silica-coated NiFe2O4 nanoparticles: An efficient and magnetically-recoverable catalyst for N-formylation of amines %A Khojastehnezhad Golmakani, Amir %A Rahimizadeh, Mohammad %A Farid Moeinpour %A Eshghi, Hossein %A Bakavoli, Mehdi %J Comptes Rendus Chimie %@ 1631-0748 %D 2014