TY  - GEN
AU  - Yang,Xin-She
AU  - 
ED  - 
ED  - 
ED  - 
TI  - Introductory mathematics for earth scientists
U1  - 510.2455 
PY  - 2009///
CY  - Scotland
PB  - Dunedin Pub.
KW  - 
ER  -