TY  - BOOK
AU  - Rucker,Rudy v.B.
TI  - Geometry, relativity, and the fourth dimension
SN  - 0-486-23400-2
PY  - 1977///
CY  - New York
PB  - Dover Publications, Inc.
N1  - Бібліогр. : c. 119-133
ER  -