TY - RPRT TI - Adaptive integration over a triangulated region AU - de Doncker, Elise AU - Kahaner, David AU - Starkenburg, Bruce PY - 1990 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4376 DO - 10.6028/NIST.IR.4376 ER -