Iowa State University creator text us 1966 1987 continuing a -Título BPH: Iowa State J. Res. -Existencias: 1966 v. 40-41, no. 1-4; 1967-1970 v. 42-45, no. 1-4; 1972 v. 46-47, no. 1-4; 1973 v. 48, no. 1-4; 1974 v. 49, no. 1-4, P1-P2; 1975-1987 v. 50-62, no. 1-4 // Cesó Publicación, ver carta 1/10/1993 Botanica 0092-6345 AR-ReUNN 260630 20260702003728.0 250450 spa