TY  - BOOK
AU  - Baxandall P R
AU  -  Liebeck H
TI  - Differential vector calculus
T2  - Longman mathematical texts
U1  - B321, M1 
PY  - 1981///
CY  - London
PB  - Longman         
KW  -  Differential calculus
KW  - Mathematics
ER  -