Murthy, RBelavady, B1966-10-012009-05-271966-10-012009-05-271966-10-01Murthy R, Belavady B. Energy expenditure and requirement in agricultural labourers. Indian Journal of Medical Research. 1966 Oct; 54(10): 977-9http://imsear.searo.who.int/handle/123456789/23317engAdultAgricultureHumansIndiaMaleMetabolismMiddle AgedPhysical ExertionWorkJournal Article