@article {6084,
	title = {Quantum and classical spins on the spatially distorted kagom{\'e} lattice: Applications to volborthite Cu3 V2 O7 (OH)2 {\textperiodcentered}2 H2 O},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2007},
	doi = {10.1103/PhysRevB.76.094421},
	author = {Fa Wang and Ashvin Vishwanath and Yong Baek Kim}
}
