Present situation with regard to the control of the pink boll worm in Egypt
Storey, G.
Present situation with regard to the control of the pink boll worm in Egypt - Cairo 1921 - 1-16 p - Virginia Agricultural Experiment Sation. Technical Bulletin No. 16 .
Present situation with regard to the control of the pink boll worm in Egypt - Cairo 1921 - 1-16 p - Virginia Agricultural Experiment Sation. Technical Bulletin No. 16 .