@misc{Polska_Akademia_Nauk._Instytut_Ekologii_(Dziekanów_Leśny)_Polish,
 author={Polska Akademia Nauk. Instytut Ekologii (Dziekanów Leśny) and Dąbrowska-Prot, Eliza. Oprac and Spodniewska, Irena (1930– ). Oprac and Hillbricht-Ilkowska, Anna. Oprac},
 copyright={Rights Reserved - Restricted Access},
 address={Warsaw},
 howpublished={online},
 publisher={IEPAS},
 language={eng},
 title={Polish Ecological Bibliography for 1969 (1971)},
 type={Text},
 keywords={bibliography, ecology},
}