Science (1989) - Comments
pubmed: 17780422  doi: 10.1126/science.243.4887.57  issn: 0036-8075  issn: 1095-9203 

---

V. RAMANATHAN, R. D. CESS, E. F. HARRISON, P. MINNIS, B. R. BARKSTROM, E. AHMAD, D. HARTMANN