@misc{indiciae3f3847cd47cd, title = {Composite and disaggregated maps as preliminary aids to analysis of manganese nodule geochemistry}, author = {J.M. Botbol}, year = {1992}, doi = {10.3133/ofr92559}, url = {https://pubs.usgs.gov/publication/ofr92559}, note = {Source identifier: ofr92559} }