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, -Título BPH: Illinois Biol. Monogr. -Existencias: 1935 v. 13, no. 3; 1946 v. 20, no. 2; 1962 v. 29

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By University of Illinois.
, -Título BPH: Illinois Res. -Existencias: 1981 v. 23, no. 3-4; 1984 v. 26, no. 1; 1985 v. 27, no. 4; 1986 v. 28, no. 1-4; 1987 v. 29, no. 1-3

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, -Existencias: 1987-1992 v. 34, no. 1-6; 1996-2002 v. 35-36, no. 1-5

Place hold on Illinois Natural History Survey Bulletin