TY  - BOOK
AU  - LEE Pil Ryeol etc.
TI  - Gwahak Uri Sidaeui Gyoyang
SN  - 9788984071520
U1  - A, P4 
PY  - 2004///
CY  - Seoul
PB  - Sejong Korea     
KW  -  SCIENCE
KW  - KL
ER  -