TY - RPRT TI - Prospects for high speed ground transport in the northeast corridor: project report prepared for the NECTP AU - Donaldson, John L AU - Kim, Sung J AU - Stiefel, S Wayne PY - 1971 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10554 DO - 10.6028/NBS.RPT.10554 ER -