Routine testing of farm tank milk with the milko scan 203 1. calibration procedure and small scale experiments Mogot, M.F.K.; Koops, J.; Neeter, R.; Slangen, K.J.; Van-Hemert, H.; Kooyman, O.; Wooldrik, H. Netherlands Milk and Dairy Journal 36(2): 115-134 1982 https://eurekamag.com/research/006/357/006357867.php