Industrial complex analysis and regional development : a case study of refinery-petrochemical-synthetic-fiber complexes and Puerto Rico / by Walter Isard, Eugene W. Schooler [and] Thomas Vietorisz. Isard, Walter. Petroleum industry and trade Puerto Rico. Chemical industry Puerto Rico. Industrial location Case studies. HD9574.P92 I8 338.07 ISI Cambridge : Technology Press of the Massachusetts Institute of Technology, 1959. 1959. 1959 Text 294 p. : eng Regional science studies ; v.3 Regional science studies series (Aldershot, England) ; v. 3. Puerto Rico. Puerto Rico.