000 00290cam a22000977a 4500
008 180718b1972 xxu||||| |||| 00| 0 eng d
082 _aYAx42 Un3r
245 _aReport of the working group on scientific interchange
260 _aLondon
_bHer Majesty's Stationery Office
_c1972
300 _a55+p.
999 _c499260
_d499260