From July 18 to July 29 of 2011 Andrei Toom
visited IMPA in Rio de Janeiro, Brazil
to participate in the 28-th Colóquio Brasileiro de Matemática
and presented a mini-course
"Processos Aleatórios com Comprimento Variável"
in collaboration with Alex Ramos, Andrea Rocha and Alexandre Simas.
See the annexed book.