id	keyword
ddj-110	quantum
ddj-110	magnetic
ddj-110	tgd
ddj-110	field
ddj-110	time
ddj-110	flux
ddj-110	dark
ddj-110	heff
ddj-110	tubes
ddj-110	journal
ddj-110	biology
ddj-110	model
ddj-110	mechanism
ddj-110	dna