000 00316nam a2200121Ia 4500
008 170101s1954 xx 000 0 und d
082 _a597.80416 BAR
100 _aBarth Lester G.
245 4 _aThe Energetics of Development
260 _aNew york
_bColumbia Uni. Press
_c1954
300 _a117 p.
942 _2ddc
_cB
999 _c212116
_d212116