كتب ذات صلة

The reduction of domestic flies

Pearls & parasites

The natural trout fly and its imitation.

The life of the fly with which are interspersed some chapters of autobiography

• Biting flies attacking man and livestock in Canada
  المؤلفون: Wood, D. M.

• Wild oat gene pool : a collection maintained by the Canada Department of Agriculture : Canada Avena (CAV)
  المؤلفون: Baum, Bernard R.
• What you should know about seeds.
  
• Utilizing harvested forages in the aspen parklands of Western Canada.