@article{015570240,
title = "Economic and other considerations governing decisions on the advisability of incorporating additional and new sources of protein and non protein nitrogen into the diet of beef cattle (including fattening cattle). b",
author = "Szentmihalyi, S.",
year = "1977",
journal = "Protein and Non protein Nitrogen for Ruminants Proceedings of the Symposium",
pages = "d 121-127",
url = "https://eurekamag.com/research/015/570/015570240.php"
}