TY  - GEN
AU  - Kriistina Hill
AU  - Edited by Bart R. Johnson
TI  - Ecology and deesign: frame works for learning 
SN  - 0070176744
U1  - 577 22
PY  - 1992///
PB  - Prentice-Hall of India
KW  - Ecology
N1  - Design
ER  -