000			00337nam a2200133Ia 4500
008			130509s9999 xx 000 0 und d
020			_a9 780 674 060 197
082			_a907.2 NAT
100			_a-
245			_aNatural experiments of history
260			_bBelknap Press of Harvard University Press,
500			_aFlipkart
942			_cBK
999			_c99402 _d99402