TY  - BOOK
AU  - Zwiebach, B
TI  - First course in string theory (a)
SN  - 9780521880329
U1  - 534.112 
PY  - 2009///
CY  - Cambridge
PB  - Cambridge
KW  - D-BRANES
KW  - REIMANN SURFACES
KW  - STRING THEORY
ER  -