The name of the equation refers to John Castagna, a professor of exploration geophysics at the University of URL "University of Houston directory", who discovered the relation while working for ARCO, an oil company that is now a subsidiary of British Petroleum .
The name of the equation refers to John Castagna, professor of exploration geophysics at the University of URL "University of Houston directory", who discovered the relation while working for ARCO, an oil company that is now a subsidiary of BP .
D
a
R
British Petroleum
BP