00324nam a2200121Ia 4500020001500000082002100015100002200036245007200058260003300130300002900163500000500192700000500197  a8178241587  a333.715bG896.HM  aGuha, Ramachandra  aHow much should a person consume?bthinking through the environment  aDelhibPermanent Blackc2006  axiii, 262p. Bibl. Index.  a  a