TY  - JOUR
AU  - Betts, J. R.
AU  - Thompson, A. C.
TI  - Three Remarks on the Measurement of Unit Spheres
JO  - Canadian mathematical bulletin
PY  - 1975
SP  - 485
EP  - 488
VL  - 18
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-088-8/
DO  - 10.4153/CMB-1975-088-8
ID  - 10_4153_CMB_1975_088_8
ER  -