00660nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067100002200076245016200098260010800260300001000368440001800378650004500396700002100441700001600462Para_6754CHAP220125s1984    xx            000 0 und d  a205550  cCHAP  aKingsolver, C. H.  aMeasurement of the epidemiologic potential of wheat stem rusts :b st croix, v. 5 Virgin islands, 1954-1957 /c by C.H. Kingsolver, C.E. Poet, J.F. Underwood  aPennsylvania :b The Pennsylvania State University. College of Agriculture. Agricultural Experiment...,  a20 p.  aBulletin; 854  aEpidemiología x modelos matemáticos  aKingsolver, J.F.  aPest, C.E.