{"isbn_13": ["9780442305666"], "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Routledge"], "number_of_pages": 569, "first_sentence": {"type": "/type/text", "value": "The history of the evolution of hydrology as a multi-disciplinary subject, dealing with the occurrence, circulation and distribution of the waters of the Earth, has been presented by Biswas (1970)."}, "isbn_10": ["0442305664"], "publish_date": "July 1988", "key": "/b/OL7528203M", "title": "Hydrology in Practice", "type": {"key": "/type/edition"}, "id": 10247038, "revision": 1}