You may also wish to search for items by Marechal, M. and Marechal.
Only one matching reference was found.
Marechal, M.A.; Jost, R.; Lombardi, M., Lifetimes, g factors, and collision cross sections of hydrogen molecules in the (1s3p) 3«PI»u level, Phys. Rev. A: Gen. Phys., 1972, 5, 732. [all data]