M. John Hodgson

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The multi-vehicle covering tour problem is de"ned on a graph G"(<6=, E), where = is a set of vertices that must collectively be covered by up to m vehicles. The problem consists of determining a set of total minimum length vehicle routes on a subset of <, subject to side constraints, such that every vertex of = is within a prespeci"ed distance from a route.(More)
  • M J Hodgson
  • 1991
Complaints in modern buildings have been attributed to inadequate ventilation for the last 20 years. Few data exist to support this claim. In fact, few studies have actually looked at ventilation and complaints at the same time. These missing studies indicate a failure of three groups of professionals, physicians and health scientists, architects and(More)