− | | <ref name=pt06r102>Porter, K. W., Weimer, R. J., 1982, Diagenetic sequence related to structural history and petroleum accumulation: Spindle field, Colorado: AAPG Bulletin, v. 66, p. 2543–2560.</ref> | + | | <ref name=pt06r102>Porter, K. W., Weimer, R. J., 1982, [http://archives.datapages.com/data/bulletns/1982-83/data/pg/0066/0012/2500/2543.htm Diagenetic sequence related to structural history and petroleum accumulation: Spindle field, Colorado]: AAPG Bulletin, v. 66, p. 2543–2560.</ref> |