Peter Krauth是畅销书《The Great Silver Bull》(www.thegreatsilverbull.com)的作者，也是专注于白银投资的投资简报Silver Stock Investor (www.silverstockinvestor.com)的发行者，还是绿色革命简报Evergreen Investing (www.evergreeninvesting.ca)联合编辑 ...