A polygeneration process concept for HCCI-engines – Modeling product gas purification and exergy losses von Hegner, R., Atakan, B.

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Power and syngas production from partial oxidation of fuel-rich methane/DME mixtures in an HCCI engine von Banke, K., Hegner, R., Schröder, D., Schulz, C., Atakan, B., Kaiser, S.A.

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A metal hydride air-conditioning system for fuel cell vehicles – Performance investigations von Weckerle, C., Nasri, M., Hegner, R., Linder, M., Bürger, I.

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Fuel-Rich HCCI Engines as Chemical Reactors for Polygeneration: A Modeling and Experimental Study on Product Species and Thermodynamics von Hegner, R, Werler, M, Schießl, R, Maas, U, Atakan, B

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The "Challenge Hypothesis": Theoretical Implications for Patterns of Testosterone Secretion, Mating Systems, and Breeding Strategies von Wingfield, John C., Hegner, Robert E., Dufty, Alfred M., Ball, Gregory F.

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A metal hydride air-conditioning system for fuel cell vehicles – Functional demonstration von Weckerle, C., Nasri, M., Hegner, R., Bürger, I., Linder, M.

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Effects of Experimental Manipulation of Testosterone Levels on Parental Investment and Breeding Success in Male House Sparrows von Hegner, Robert E., Wingfield, John C.

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Effects of Brood-Size Manipulations on Parental Investment, Breeding Success, and Reproductive Endocrinology of House Sparrows von Hegner, Robert E., Wingfield, John C.

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Flexible Growth Rates in Nestling White-Fronted Bee-Eaters: A Possible Adaptation to Short-Term Food Shortage von Emlen, Stephen T., Wrege, Peter H., Demong, Natalie J., Hegner, Robert E.

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Dominance and anti-predator behaviour in blue tits ( Parus caeruleus) von Hegner, Robert E.

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Behavioral and endocrine correlates of multiple brooding in the semicolonial house sparrow Passer domesticus I. Males von Hegner, Robert E., Wingfield, John C.

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Does Protecting for Human Health Protect Ecological Health? von Hegner, Robert E.

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Central place foraging in the white-fronted bee-eater von Hegner, Robert E.

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Hormonal responses to removal of a breeding male in the cooperatively breeding white-browed sparrow weaver, Plocepasser mahali von Wingfield, John C., Hegner, Robert E., Lewis, Dale M.

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A Case of Bigamy in the European Bee-Eater (Merops apiaster) von Avery, M. I., Krebs, J. R., R. E. Hegner

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AC-APU – A hydrogen based A/C-unit for electric vehicles von Hegner, R., Weckerle, C., Bürger, I., Dittus, H., Schier, M., Friedrich, H. E.

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Spatial organization of the white-fronted bee-eater von Hegner, Robert E, Emlen, Stephen T, Demong, Natalie J

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Animal infections with the trophozoites of intestinal protozoa and their bearing on the functions of cysts von Hegner, R W

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Asexual Reproduction without Loss of Vitality in Malarial Organisms von Hegner, R. W.

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Heredity, Variation, and the Appearance of Diversities during the Vegetative Reproduction of ARCELLA DENTATA von Hegner, R W

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