missing comma in hazard bibliography added
missing comma in hazard bibliography added


Former-commit-id: 59072672c38cb45a010d00d21c221a80f156b89b [formerly 59072672c38cb45a010d00d21c221a80f156b89b [formerly d65efd5aa3547268c5d127e383c73ceaa3ead59e]]
Former-commit-id: 787b8cf9dfc17f640500c3dde6b8ec18f378d52e
Former-commit-id: c885e52a91b94eb462cdfca8107e9d7e24dd88df
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine