Study of the plant lice injuring the foliage and fruit of the apple
Matheson, R.
Study of the plant lice injuring the foliage and fruit of the apple - Ithaca 1919 - 683-762 p. - Cornell Agricultural Experime .
Study of the plant lice injuring the foliage and fruit of the apple - Ithaca 1919 - 683-762 p. - Cornell Agricultural Experime .