00532nas a22001817a 450000500170000000800410001701000100005801100100006802200140007803500110009224500850010326000580018830000070024631000100025336200140026365000410027786600320031820220329143055.0060113  1969         p rnn   0   b1En  d  a91553  a92525  a0077-6351  a10309000aTransactions of the Nebraska Academy of Sciencec/by Nebraska Academy of Science0 aLincoln, Nebraska:bNebraska Academy of Sciencec1969  av.  aAnual  av.30,200504aCienciaxPublicaciones periódicas.  av. 28 (2002) - v. 30 (2005)