TY  - RPRT
TI  - Environmental factors
AU  - E.L.Michel
AU  - J.M. Waligora
AU  - D.J. Horrigan
AU  - W.H. Shumate
PY  - 1975
UR  - https://ntrs.nasa.gov/citations/19760005585
ID  - 19760005585
ER  -