TY  - BOOK
AU  - Getis,Judith
TI  - You can make a difference:help protect the earth: help protect the earth
SN  - 0697139239
AV  - TD 171.7 .G3943 1991
PY  - 1991///]
CY  - Boston,Massachussettes
PB  - Mcgraw-Hill
ER  -