Trask, N. J.; Strom, R. G. (1976). "Additional evidence of mercurian volcanism". Icarus. 28 (4): 559–563. Bibcode:1976Icar...28..559T. doi:10.1016/0019-1035(76)90129-9.
Trask, N. J.; Strom, R. G. (1976). "Additional evidence of mercurian volcanism". Icarus. 28 (4): 559–563. Bibcode:1976Icar...28..559T. doi:10.1016/0019-1035(76)90129-9.