TY  - BOOK
TI  - HARCOURT SCIENCA
SN  - 0153112093
U1  - 503 
PY  - 2000///
CY  - [S.N] : 
PB  - HARCORT SCHOOL PUBLISHERS ، 
KW  - SCIENCE
KW  - INVERTEBRATES
KW  - RESPONSE CRITICISM
KW  - PLANT
ER  -