共 50 条
[44]
ENVIRONMENTAL-IMPACT OF HORSE
[J].
PROCEEDINGS OF THE ANNUAL CONVENTION OF THE AMERICAN ASSOCIATION OF EQUINE PRACTITIONERS,
1977, 23 (DEC)
:429-433
[45]
ENVIRONMENTAL-IMPACT PROCEDURES
[J].
EKISTICS-THE PROBLEMS AND SCIENCE OF HUMAN SETTLEMENTS,
1982, 49 (294)
:227-229
[47]
ENVIRONMENTAL-IMPACT OF HIGHWAYS
[J].
EKISTICS-THE PROBLEMS AND SCIENCE OF HUMAN SETTLEMENTS,
1976, 42 (248)
:37-41