Miriam Baglioni 7177c25261 added check for null value during doi normalization		2021-07-05 16:22:38 +02:00
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main	added check for null value during doi normalization	2021-07-05 16:22:38 +02:00
test	added assertions to verify doi normalization	2021-06-30 14:37:08 +02:00