. . "Plastics Molding." . . "Polytechnic Institute of Brooklyn." . . . . . . . . . . "Conference papers and proceedings" . . . "Basic principles of thermoforming"@en . "Basic principles of thermoforming" . . . . . . . "Basic principles of thermoforming : [papers given at a two-day seminar at the Polytechnic Inst. of Brooklyn on June 18 and 19, 1970]" . .