TY - RPRT TI - Phase II final report: air transportable expeditionary crane (ATEC) project AU - Bostelman, Roger AU - Jacoff, Adam AU - Albus, James S PY - 1998 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6186 DO - 10.6028/NIST.IR.6186 ER -