There are a wealth of references on Chernobyl.
1	There	there	PRON	EX	_	2	expl	2:expl	_
2	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	4:det	_
4	wealth	wealth	NOUN	NN	Number=Sing	2	nsubj	2:nsubj	_
5	of	of	ADP	IN	_	6	case	6:case	_
6	references	reference	NOUN	NNS	Number=Plur	4	nmod	4:nmod:of	_
7	on	on	ADP	IN	_	8	case	8:case	_
8	Chernobyl	Chernobyl	PROPN	NNP	Number=Sing	6	nmod	6:nmod:on	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	2:punct	_
