Помогите добыть статьи

[Katerisa]

1. Styrene Polymerization by TpTiCl2(OR) Precatalysts
Authors Arquimedes Karam, Jesus Pastran, Emilio Casas and Bernando Mendez
http://dx.doi.org/10.1007/s00289-005-0405-2

2. Synthesis of Crosslinked Copolymers based on Acrylonitrile Containing Carboxyl and Amidrazone Groups
Authors Erika Carneiro Riqueza, Alcino Palermo de Aguiar, Monica R.M.P. Aguiar and Luiz C. de Santa Maria
http://dx.doi.org/10.1007/s00289-005-0412-3

3. Development of New Sulphonyl Resin from Modification of Commercial Resin
Authors Marcos de Carvalho Barcellos, Alcino Palermo de Aguiar, Monica Regina Marques Palermo de Aguiar and Luiz Claudio de Santa Maria
http://dx.doi.org/10.1007/s00289-005-0417-y

Буду очень признательна, если кто-то поможет их достать. Заранее спасибо.

[Сержл]

Гав, то есть exchange (KAt1-3).