id	keyword
crl-15449	price
crl-15449	journal
crl-15449	model
crl-15449	variables
crl-15449	power
crl-15449	monopoly
crl-15449	titles
crl-15449	publishers
crl-15449	data
crl-15449	analysis
crl-15449	libraries
crl-15449	monopoly power
crl-15449	results
crl-15449	number
crl-15449	library
crl-15449	circulation
crl-15449	science