97ce384bdf2f0d8ed1934840b98b4e4da39eba27e9a3a83cfa4f8bb6d37554d6  perdelcom_a1981n1.pdf
06e3bba03ec79fa139baeeb16cf93b4d3c79a0a50dfc2dba5075b5fc272d4814  perdelcom_a1981n2.pdf