TY  - BOOK
AU  - Hermann,Robert
TI  - Geometry physics and systems 
U1  - 513 HER  
PY  - 1973///.
CY  - New York : 
PB  - Marcel Dekker Inc, 
KW  - Geometry, Differential
KW  - Manifolds (Mathematics)
KW  - System analysis
ER  -