id	keyword
iogr-427	fracture
iogr-427	msd
iogr-427	node
iogr-427	case
iogr-427	diffusion
iogr-427	flow
iogr-427	figure
iogr-427	time
iogr-427	reservoirs
iogr-427	matrix
iogr-427	model
iogr-427	network
iogr-427	paper
iogr-427	diffusivity