TY  - BOOK
AU  - Pearson, Ian
TI  - English in focus : English in biological science(Teacher's edition)
SN  - 0194375056
U1  - 428.24 
PY  - 1978///
CY  - Oxford
PB  - oxford University Press
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Readers
KW  - Biology
KW  - Language
N1  - 004087; It 266
ER  -