pdf	PDF sense OCR	77701/serespninesp_a1939n13.pdf 77702/serespninesp_a1939n15.pdf 77703/serespninesp_a1939n17.pdf 77704/serespninesp_a1939n18.pdf 77705/serespninesp_a1939n20.pdf 77706/serespninesp_a1939n21.pdf 77707/serespninesp_a1939n22.pdf 77708/serespninesp_a1939n23-24.pdf