The imaging photopolarimeter experiment on pioneer 11.
Baker AL, Baker LR, Beshore E, Blenman C, Castillo ND, Chen YP, Doose LR, Elston JP, Fountain JW, Gehrels T, Kendall JH, Kenknight CE, Norden RA, Swindell W, Tomasko MG, Coffeen DL.
Baker AL, et al. Among authors: chen yp.
Science. 1975 May 2;188(4187):468-72. doi: 10.1126/science.188.4187.468.
Science. 1975.
PMID: 17734364