TY - BOOK TI - Bulletin VL - 32 (1979-1981) UR - https://www.biodiversitylibrary.org/item/51264 PB - State of Illinois, Dept. of Registration and Education, Natural History Survey Division CY - Urbana PY - 1979 SN - 0073-4918 N1 - Each issue has also a distinctive title. --- Biological abstracts | 0006-3169 --- Life sciences collection --- Chemical abstracts | 0009-2258 AU - Illinois. Natural History Survey Division KW - Illinois KW - Natural history ER -