{"first_sentence": {"type": "/type/text", "value": "The theory of composite membranes with one \"active\" layer whose permeability varies with solute concentration is developed."}, "physical_format": "Paperback", "subtitle": "A Special Issue In His Honor", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "weight": "1 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Routledge"], "number_of_pages": 486, "isbn_13": ["9782881242564"], "id": 12567066, "edition_name": "1 edition", "isbn_10": ["2881242561"], "publish_date": "January 1, 1987", "key": "/b/OL9313139M", "authors": [{"key": "/a/OL3233781A"}], "title": "Neal R. Amundson", "type": {"key": "/type/edition"}, "subjects": ["Biochemical Engineering", "Science", "Science/Mathematics", "Chemistry - General", "Science / Chemistry / General"], "physical_dimensions": "10 x 8 x 2 inches", "revision": 1}