| Authors(s) | Witte, H. and K.A. Lein |
| Year | 1992 |
| Title | Influence of crop-protection measures on overwintering stages of insect pests and their parasitization in apple growing. Pflanzenschutz-Nachrichten Bayer (English edition) 45: 239-276. |
| Authors(s) | Witte, H. and K.A. Lein |
| Year | 1992 |
| Title | Influence of crop-protection measures on overwintering stages of insect pests and their parasitization in apple growing. Pflanzenschutz-Nachrichten Bayer (English edition) 45: 239-276. |