found: Work cat.: Molecular clouds in the Milky Way and external galaxies : proceedings of a symposium ... c1988.
found: LC database, Oct. 19, 1988.
found: Facts file dict. astron.(Huge clouds of cool dense interstellar matter ... Giant molecular clouds, GMC)
found: Encyc. phys. sci. tech.:v. 13, p. 118 (Interstellar medium ... described in terms of clouds of atoms and molecules ...)
found: Gloss. astron. astrophysics:under Monoceros R2 molecular cloud.
found: NASA.
found: McGraw-Hill encyc. astron.:p. 155.
notfound: Random House;INSPEC;INIS: Thes.;McGraw-Hill dict. sci. tech.
