@inproceedings{inproceedings0b593f32,
title   = {Coexistence of euclase and emerald at Chivor, Colombia},
author = {Romero Ordonez, Fernando Heli and Schultz-Güttler, Rainer Aloys},
year = {2000},
publisher = {CPRM},
booktitle   = {International Geological Congress}
}