American cancer society Phase I trial of naturally produced beta-interferon.Michael Hawkins, Herbert F. Oettgen, Francisco X. Real et al.|PubMed|1984Cited by 26
An empirical model and scenario analysis of nitrous oxide emissions from a fertilised and grazed grassland site in IrelandMichael Hawkins, John Connolly, Bernard Hyde et al.|Nutrient Cycling in Agroecosystems|2007Cited by 7