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Orlove, M. J. (1979). "A Reconciliation of Inclusive Fitness and Personal Fitness Approaches: a Proposed Correcting Term for the Inclusive Fitness Formula". Journal of Theoretical Biology. 81 (3): 577–586. Bibcode:1979JThBi..81..577O. doi:10.1016/0022-5193(79)90055-9. PMID537387.
Orlove, M. J. (1979). "A Reconciliation of Inclusive Fitness and Personal Fitness Approaches: a Proposed Correcting Term for the Inclusive Fitness Formula". Journal of Theoretical Biology. 81 (3): 577–586. Bibcode:1979JThBi..81..577O. doi:10.1016/0022-5193(79)90055-9. PMID537387.