The source code and documentation for the model for the paper:

Lukas Solanka, Mark C.W. van Rossum, Matthew F. Nolan (2015)
Noise promotes independent control of gamma oscillations and grid firing within recurrent attractor networks. eLife

is available at these links:

ei-attractor_3b993c6.tar.gz

noise_grids_gamma_doc.zip

These were provided by Matt Nolan.