Appendix to pests of crops in warm climates and their control., 5: Control measures. (2nd edition).
Wyniger, R.
Appendix to pests of crops in warm climates and their control., 5: Control measures. (2nd edition). - 162 pp
Appendix to pests of crops in warm climates and their control., 5: Control measures. (2nd edition). - 162 pp