أرسل هذا في رسالة قصيرة: K10[Co4(H2O)2(B-α-SiW9O34H)2]·21H2O : a sandwich polyoxometalate based on the magnetically interesting element cobalt

  ______     ___     ______    _    _     ______  
 /_____//   / _ \\  |      \\ | || | ||  /_   _// 
 `____ `   / //\ \\ |  --  // | || | ||  `-| |,-  
 /___//   |  ___  |||  --  \\ | \\_/ ||    | ||   
 `__ `    |_||  |_|||______//  \____//     |_||   
 /_//     `-`   `-` `------`    `---`      `-`'   
 `-`