LEADER 00000cz 2200133n 4500 001 n 85025496 003 DLC 005 20121114152634.0 008 850510n| azannaab |a aaa 010 n 85025496 |zn 87933367 040 DLC|beng|erda|cDLC|dDLC 100 1 Newton, Isaac,|d1642-1727.|tPrincipia.|lEnglish 400 1 Newton, Isaac,|d1642-1727.|tMathematical principles of natural philosophy 670 Mathematical principles of natural philosophy, 1985, c1952.