TY  - BOOK
AU  - Transportation Research Board, Washington D.C.
TI  - Research results digest 387: precision estimates of AASHTO T 201, AASHTO T 202, and AASHTO T 49 NCHRP project 10-87, task order #2
SN  - 9780309283946
PY  - 2014///
CY  -  Washington D.C.
PB  - Transportation Research Board
ER  -