@article{CRCHIM_2013__16_2_129_0,
     author = {Seyed Meysam Baghbanian and Yaser Babajani and Hamed Tashakorian and Samad Khaksar and Maryam Farhang},
     title = {\protect\emph{p}-sulfonic acid calix[4]arene: {An} efficient reusable organocatalyst for the synthesis of bis(indolyl)methanes derivatives in water and under solvent-free conditions},
     journal = {Comptes Rendus. Chimie},
     pages = {129--134},
     publisher = {Elsevier},
     volume = {16},
     number = {2},
     year = {2013},
     doi = {10.1016/j.crci.2012.10.014},
     language = {en},
}