@misc{indiciae0a142eb6ad4a, title = {Benefaction studies on the Hasan Celebi magnetite deposit, Turkey}, author = {Jean W. Pressler and Ali Akar}, year = {1972}, doi = {10.3133/ofr72303}, url = {https://pubs.usgs.gov/publication/ofr72303}, note = {Source identifier: ofr72303} }