TY  - BOOK
AU  - Lloyd, J. R.
TI  - Man and the ecosystem
U1  - 574.5 
PY  - 1980///, repr, 1982
CY  - Houndmills
PB  - Macmillan Education
KW  - Ecology
N1  - Includes bibliographical references (p.146-148)
ER  -