00715nam a2200217Ia 4500003000900000008004100009020002200050040001600072080001800088100002400106245008000130260002600210300001500236650003000251650002800281650001800309650001500327942000700342999001700349952013100366IN-BaIIA211028s9999    xx            000 0 eng d  a978-93-81300-36-7  cIIA Library  a5(091)bBER-3  aBernal, J. D935260 0aScience in historybvol. 3, the natuaral sciences in our timecJ. D. Bernal  aBhopalbEklavyac1969  a703-1003p.  aBiological science935261  aPhysical Science935262  aScience91299  aTime92741  cBK  c18387d18387  00104070aBANbBANcGENd2012-10-03eEKL   g375.00l0o5(091)/ BER-3p19309r2021-11-05v375.00w2012-10-03yBKGRs. 375.00