@article{KalkanEtAl2007,
	author = {S. Kalkan and F. W\"rg\"otter and N. Kr\"uger},
	title = {First-order and Second-order Statistical Analysis of 3D and 2D Structure},
	journal = {Network: Computation in Neural Systems}, 
	volume = {18},
	number = {2}, 
	pages = {129--160}, 
	year = {2007}
}