The ring-billed gull in Ontario : a review of a new problem species
1986
Blokpoel, H. |
Tessier, G. D. |
Overpopulation
Critical masses : the global population challenge
1994
Moffett, George D. |
Populations fallacies
1977
Parsons, Jack |
Problems in management of locally abundant wild mammals
1981
Jewell, Peter Arundel |
Holt, Sidney Joseph |