美国亚马逊 The Principia: The Authoritative Translation: Mathematical Principles of Natural Philosophy: Sir Isaac Newton, I. Bernard Cohen, Anne Whitman, Julia Budenz: 9780520290747: Amazon.com: Books_海淘网
【美国亚马逊】 The Principia: The Authoritative Translation: Mathematical Principles of Natural Philosophy: Sir Isaac Newton, I. Bernard Cohen, Anne Whitman, Julia Budenz: 9780520290747: Amazon.com: Books
