TY - ECHAP AU - C. Sarazin CY - Dordrecht DO - 10.1007/978-94-009-3971-4_15 M1 - International Astronomical Union PB - Springer Netherlands PP - Dordrecht PY - 1987 SN - 978-90-277-2586-8 SP - 179 EP - 188 TI - Mass Distributions in Elliptical Galaxies at Large Radii VL - 127 ER -