000 00276nam a22001217a 4500
003 OSt
008 231229b |||||||| |||| 00| 0 eng d
082 _aP505
_bJ78
245 _aJournal of scientific and industrial research
260 _c1981
300 _a40
942 _2ddc
_cBK
999 _c35273
_d35273