Lamb, Robert G. <br/><br/>
calculation of long period mean pollutant concentrations in- an urban atmosphere. Part II : simulation of annual sulfur- dioxide concentrations in Mexico city / by Robert G. Lamb -, Alejandro Velasco Levi , and Jorge Burkle. 

 - México : Centro Cientifico de América Latina IBM de México 
 - 126 p. 
 - Technical report no. 75-17 / Centro Cientifico IBM de Améri-ca Latina .