TY - JOUR T1 - Subglacial drilling at Black Rapids Glacier, Alaska, U.S.A : drilling method and sample descriptions JF - J. Glaciol. Y1 - 1999 A1 - Truffer, M. A1 - Motyka, Roman J. A1 - Harrison, W.D. A1 - Echelmeyer, K. A. A1 - Fisk, B. A1 - Tulaczyk, S. VL - 45 ER -