@incollection{Minoru Hatate12, author = {Minoru Hatate and Tohru Nobuki and Shinichiro Komatsu}, title = {Accuracy Improving Methods in Estimation of Graphite Nodularity of Ductile Cast Iron by Measurement of Ultrasonic Velocity}, booktitle = {Science and Technology of Casting Processes}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Malur Srinivasan}, chapter = {9}, doi = {10.5772/50596}, url = {https://doi.org/10.5772/50596} }