000 00298nam a2200133zu 4500
005 20241005161121.0
008 090205n chi d
245 _aScience Record
246 _aKexue jilu
866 0 _aVol.3:3-4 (1950), 4:1 (1951)
946 _a
947 _a+++
999 _c36208
_d36208