1.
Biological Control of Insects and Mites: An Introduction to Beneficial Natural Enemies and T...
by Mahr, Daniel L., Whitaker, ...
ISBN: 9780980140118
List Price: $15.00
2.
Biological Control of Insects and Mites An Introduction to Beneficial Natural Enemies and Th...
by Mahr, Daniel L., Ridgway, N...
ISBN: 9780788171475
List Price: $25.00