@article{article289fb066, title = {Carbonatites and primary carbonates in the Rio Apa and Amambay regions, NE Paraguay}, author = {Comin-Chiaramonti, P. and De Min, Angelo and Girardi, Vicente Antonio Vitorio and Gomes, Celso B.}, year = {2014}, doi = {10.1016/j.lithos.2013.10.027}, journal = {Lithos} }