TY  - BOOK
AU  - Grover, C. A
TI  - Hyperbolic functions: Their derivation and application in vector algebra
U1  - 512.5 
PY  - 1948///
CY  - Manchester 21
PB  - Classifax Publications
KW  - MCE
N1  - 0; 0; 0; 512_500000000000000_GRO
ER  -