TY  - BOOK
AU  - Williams, Ivor
AU  - Williams, Ivor
TI  - English for science and engineering/ Ivor Williams
SN  - 1413020860
AV  - PE1128 .W7254 2007 
U1  - PE1128 .W7254 2007 
PY  - 2007///
PB  - Boston, Mass. : Thomson
ER  -