TY - JOUR A1 - Stein, M L T1 - Space-time covariance functions. Y1 - 2005/03/1 N1 - R829402 N1 - R829402C002 JF - JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION J1 - J AM STAT ASSOC VL - 100 IS - 469 SP - 310 EP - 321 ER -