Gláucia Murta, ∗ Marcelo Terra Cunha, † and Adán Cabello 4, ‡ Departamento de F́ısica, Universidade Federal de Minas Gerais, Caixa Postal 702, 30123-970, Belo Horizonte, MG, Brazil Departamento de Matemática, Universidade Federal de Minas Gerais, Caixa Postal 702, 30123-970, Belo Horizonte, MG, Brazil Departamento de F́ısica Aplicada II, Universidad de Sevilla, E-41012 Sevilla, Spain Universidade...

J. Depeyrot , G. J. da Silva, C. R. Alves, E. C. Sousa, M. Magalh~ aes, A. M. Figueiredo Neto, M. H. Sousa, and F. A. Tourinho Complex Fluids Group, Instituto de F sica, Universidade de Bras lia, Caixa Postal 04455, 70919-970, Bras lia (DF), Brazil Instituto de F sica, Universidade de S~ao Paulo, Caixa Postal 66318, S~ao Paulo (SP), Brazil Complex Fluids Group, Instituto de Qu mica, Universidad...

J. Dukelsky, G. G. Dussel, J. G. Hirsch and P. Schuck (1)Instituto de Estructura de la Materia, C.S.I.C., Serrano 123, 28006 Madrid, Spain. (2)Departamento de F́ısica Juan Jose Giambiagi, Universidad de Buenos Aires. Pabellón 1, C. Universitaria, (1428) Buenos Aires, Argentina. (3) Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Apdo. Postal 70-543, México 04510 D. F., ...

∗On sabatical leave from Instituto de F́ısica Universidad Nacional Autónoma de México Apartado Postal 20364, 01000 México D. F., México

Postal operators are increasingly facing new challenges to maintain competitiveness – most have already played the “card” of facility consolidation and introduction of automation to reduce processing costs. How exactly, should a given infrastructure/network and transportation strategy be changed to meet the upcoming challenges? Should mail streams be consolidated to enable further automation? S...

continued on page 4 Design group revamps postal manual Perhaps you’ve received it. If you have an Andrew account, there’s a one in three chance you did. ‘It’ is an e-mail with the subject, “Andrew account password insecure!” that claims your password has been cracked. The message goes on to say that in addition to the risks they pose to personal account security, slipshod passwords are a potent...

E. Cruz-Zaragoza, S. Guzmán, F. Brown, V. Chernov, and M. Barboza-Flores Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Apartado Postal 70-543, México DF, 04510, México, e-mail: [email protected] Departamento de Investigación en Polı́meros y Materiales de la Universidad de Sonora, Apartado Postal 130, Hermosillo, Sonora, 83000 México. Departamento de Investigació...

1 Laboratory of Signal Processing for Communications (DSPCOM), School of Electrical and Computer Engineering, University of Campinas (Unicamp), Caixa Postal 6101, CEP 13083-970, Campinas, SP, Brazil 2Wireless Telecommunications Research Group (GTEL), Federal University of Ceará (UFC), Caixa Postal 6005, CEP 60455-760, Fortaleza, CE, Brazil 3 Laboratory of Bioinformatics and Bio-inspired Computi...

HORTSCIENCE, VOL. 34(4), JULY 1999 Received for publication 27 Aug. 1998. Accepted for publication 20 Jan. 1999. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact. To whom reprint requests should be addressed. Morphological, Biochemical, and Molecu...