Frisch, P. C. (April 1993), "G-star astropauses - A test for interstellar pressure", Astrophysical Journal, Part 1, 407 (1): 198–206, Bibcode:1993ApJ...407..198F, doi:10.1086/172505.
Frisch, P. C. (April 1993), "G-star astropauses - A test for interstellar pressure", Astrophysical Journal, Part 1, 407 (1): 198–206, Bibcode:1993ApJ...407..198F, doi:10.1086/172505.