- Jancarik, V., M. Knizek, J. Liska, J. Parez, V. Pichova, and M. Svecova. 1991. Zhodnoceni vyskytu lesnich skodlivych cinitelu a jejich ocekavany stav v roce 1991 [Evaluation of occurrence of forest harmful factors and prognosis of their occurrence in 1991]. Lesnicka prace 5.
- Jancarik, V., M. Srot, J. Parez, P. Zahradnik, and M. Knizek. 1990. Analyza stavu skodlivych cinitelu lesnich drevin a prognoza jejich vyskytu v roce 1990 [Analysis of forest harmful factors and prognosis of their occurrence in 1990]. Lesnicka prace 5. 9 p.