TY - BOOK ID - 128225502 TI - Secondary productivity of terrestrial ecosystems : principles and methods. AU - Petrusewicz, Kazimierz AU - Instytut Ekologii (Polska Akademia Nauk) AU - International biological programme PY - 1967 PB - Warszawa : Panstwowe wydawnictwo naukowe, DB - UniCat KW - Biological productivity KW - Zoology and Animal Sciences. Zoology KW - Congresses. KW - Animal Ecology. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128225502 AB - ER -