. . . "Polylactic Acid : Synthesis, Properties, and Applications"@en . . . . "Polylactic acid : synthesis, properties, and applications"@en . "Polylactic acid : synthesis, properties, and applications" . . . . . . . . . "Polylactic acid : synthesis, properties and applications" . . . . . . . . . "Electronic books"@en . "Biodegradable plastics." . . "TECHNOLOGY & ENGINEERING / Material Science" . . "Lactic acid." . . "Polymers." . .