TY  - RPRT
TI  - Cosmological models with a variable cosmological term and bulk viscous models.
AU  - A Beesham
PY  - 1993
DO  - 10.1103/physrevd.48.3539
UR  - https://pubmed.ncbi.nlm.nih.gov/10016625/
ID  - 10016625
ER  -