TY  - RPRT
TI  - Djurleite (Cu1.94S) and low chalcocite (Cu2S): New crystal structure studies
AU  - H. T. Evans
PY  - 1979
DO  - 10.1126/science.203.4378.356
UR  - https://pubs.usgs.gov/publication/70012511
ID  - 70012511
ER  -