Abstract
C.A.J.Klaasen: Statistical Performance of Lecation Estimators. Mathematical Centre Tract 133, Mathematisch Centrum, Amsterdam 1981, 100 pp., Dfl, 12.60.
Robbert J. Serfing: Approximation Theorems of Mathematical Statistics. John Wiley & Sons, New York 1980, 371 pp., £ 18.70.