TY  - BOOK
AU  - Guggenhelmer,Heinrich W., x
AU  - x
TI  - Differential geometry: x
SN  - x
U1  - 516.7/GUD 
PY  - 1963///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Geometry
N1  - x
ER  -