1. A new height gauge for measuring egg quality;Brant;Food Technol.,1951
2. Recommended standards for scoring and measuring opened egg quality;Brant;Food Technol.,1951
3. A digital egg albumen height measurement gauge;Buckley;Poultry Sci.,1971
4. The Haugh unit for measuring egg quality;Haugh;US Egg Poultry Mag.,1937
5. The measurement of certain egg quality characteristics: a review;Wells,1968