@article{CRCHIM_2014__17_1_30_0,
     author = {Samad Khaksar and Mahmoud Tajbakhsh and Milad Gholami},
     title = {Polyvinylpolypyrrolidone-supported triflic acid {(PVPP{\textperiodcentered}OTf)} as a new, efficient, and recyclable heterogeneous catalyst for the synthesis of bis-indolyl methane derivatives},
     journal = {Comptes Rendus. Chimie},
     pages = {30--34},
     publisher = {Elsevier},
     volume = {17},
     number = {1},
     year = {2014},
     doi = {10.1016/j.crci.2013.07.014},
     language = {en},
}