TY  - BOOK
AU  - Clark,Raymond C.
TI  - Earth matters: our living planet : basic environmental concepts and vocabulary 
SN  - 9780866472890 (book)
PY  - 2009///
CY  - Brattleboro, Vt.
PB  - Pro Lingua Associates
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
KW  - Vocabulary
KW  - Earth sciences
KW  - Activity programs
ER  -