000 00297nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aI.S: 6460-1980
245 0 _aWORLD OF SCIENCE
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _a-
942 _2ddc
999 _c57108
_d57108