@article{Joji YAMASHITA1988, title={Study on a Microstructure of a Positive Grid Corrosion Film in a Sealed Lead-acid Battery with Pb/Ca/Sn Alloy Grid}, author={Joji YAMASHITA and Hiroshi YUFU and Yuji MATUMARU}, journal={Denki Kagaku oyobi Kogyo Butsuri Kagaku}, volume={56}, number={11}, pages={961-965}, year={1988}, doi={10.5796/kogyobutsurikagaku.56.961} }