TY  - RPRT
TI  - Flight crew sleep during multiple layover polar flights
AU  - Sasaki, Mitsuo
AU  - Kurosaki, Yuko S.
AU  - Spinweber, Cheryl L.
AU  - Graeber, R. C.
AU  - Takahashi, Toshiharu
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19930065229
ID  - 19930065229
ER  -