000 00325nam a2200133Ia 4500
008 240201s1969 xx 000 0 eng d
082 _a600 EST
100 _aESTERER, ARNULF K.
245 0 _aTOOLS: SHAPERS OF HUMAN PROGRESS
260 _bFAWCETT PUBLICATIONS
_c1969
300 _a128
650 _aSCIENCE
942 _2ddc
_cBK
999 _c6747
_d6747