LDR 00612nam a2200193zu 4500 008 090205n chi d 100 1 _aNeedham, Joseph 245 _aThe Peking Observatory in A.D. 1280 and the Development of the Equatorial Mounting _cJoseph Needham 250 _aReprint 260 _604 _aLondon _bPergamon Press _c1955 260 _604 _c1955 300 _a67-83 p. 490 _aVistas in Astromomy _z1 650 _aEconomy -- Society -- Science 946 _a 947 _a2870 001 IFS11472 999 _c283107 _d283107 952 _z2870 _70 _c1 _40 _00 _621860007 _9147775 _yBOOK _10 _o2186/0007 _d2009-05-14 _aIFS