“…Primary sources and SPLE activity DRE 64,65,70,71,73,74,76,77,78,79,81,82,85,87,88,89,92,94,95,96,97,98,99,100 DD 64,65,66,70,71,73,74,76,77,78,79,81,82,85,87,88,89,90,92,94,95,96,97,98,99,100 DR 64,65,66,68,75,83,89,90,95,96,97,99 DT 69,72 ARE64,69,71,73,76,78,79,80,84,86,89,91,92,93,95,100 AD64,71,73,76,78,79,80,86,89,91,92,93,95,100 …”