Eat, Sleep, Fly: A Butterfly's View of Life: Koch, Maryjo: 9781449409883: Amazon.com: Books
Amazon.com: KOCH SYSTEME CS 11" Nonstick Frying Pan-Granite Skillet with Lid, Fry Pan with APEO and PFOA-Free Stone Derived Coating, Aluminum Alloy Pan, Oven Safe: Home & Kitchen
Membrane Structures: The Fifth Building Material by Klaus-Michael Koch (2004-05-04): Amazon.com: Books
Amazon.com: Koch-Chemie - Leather Star - Deep Cleaner for Leather; Revitalizes, Preserves, and Protects; Pleasant Fragrance, Color Intensifying Appearance, Supple Soft Feel; Does not Cause Slipperiness (1 Liter) : Automotive