In re Western Iowa Limestone, Inc., 538 F.3d 858 (8th Cir. 2008)

(case involves dispute between secured lender holding security interest in debtor's inventory and subsequent purchasers of the inventory concerning which party's interest has priority; court upheld bankruptcy court's holding that subsequent purchasers were buyers in the ordinary course of business by virtue of their constructive possession of the goods which gave them priority under Iowa law).