reference@@1	reference	allusion	18
reference@@1	reference	mention	11
reference@@1	reference	source	8
reference@@1	reference	evidence	5
reference@@1	reference	resource	5
reference@@1	reference	connection	4
reference@@1	reference	referring	4
reference@@1	reference	indication	3
reference@@1	reference	note	3
reference@@1	reference	relation	3
reference@@3	reference	source	8
reference@@3	reference	resource	3