@article{weko_11611_1,
   author	 = "Sulaiman,Hamid and Sasaki,Osamu and Shimotashiro,Tomohide and Chishaki,Naoya and Inanaga,Shunji",
   title	 = "Effect of Calcium Concentration on the Shape of Sweet Potato (Ipomoea batatas Lam.) Tuberous Root",
   journal	 = "Plant Production Science",
   year 	 = "2004",
   volume	 = "7",
   number	 = "2",
   pages	 = "191--194"
}