TY  - BOOK
AU  - 杜厚文编著.
TI  - 基础科技汉语教程. 上, 听说课本 = : An Elementary course in scientific Chinese / 
SN  - 9787513800891
U1  - 495.182421 23
PY  - 0000///201
CY  - Beijing : 
PB  - 华语教学出版社
KW  - Chinese language
KW  - Textbooks for foreign speakers
KW  - English
KW  - Study and teaching
ER  -