000 00260nam a2200109Ia 4500
008 240201s1981 xx 000 0 eng d
082 _a670 NAT
245 0 _aHOW THINGS ARE MADE
260 _bNATIONAL GEOGRAPHIC SOCIETY
_c1981
300 _a104
942 _2ddc
_cBK
999 _c7143
_d7143