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- [2] DISTRIBUTION OF NITROGEN IN HYDROCRACKED IN SITU SHALE OIL INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1976, 15 (03): : 197 - 201
- [3] DISTRIBUTION OF NITROGEN IN HYDROCRACKED IN SITU SHALE OIL ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1975, (169): : 37 - 37