Halmos, Paul R. (Paul Richard), 1916-2006. : A glimpse at Hilbert space operators : Paul R. Halmos in memoriam / Sheldon Axler, Peter Rosenthal, Donald Sarason, editors
Halobacteriales -- metabolism : Halophiles and hypersaline environments : current research and future trends / Antonio Ventosa, Aharon Oren, Yanhe Ma, editors
Halogenated Diphenyl Ethers -- toxicity : Toxicological risks of selected flame-retardant chemicals / Subcommittee on Flame-Retardant Chemicals, Committee on Toxicology Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council
Halogens -- chemistry : Halogen bonding : fundamentals and applications / volume editors, P. Metrangolo, G. Resnati ; with contributions by H.D. Arman [and others]
An order of extremely halophilic archaea, in the kingdom EURYARCHAEOTA. They occur ubiquitously in nature where the salt concentration is high, and are chemoorganotrophic, using amino acids or carbohydrates as a carbon source