00361nam a2200121 a 450000500170000000800410001702000180005805000270007610000190010324500710012226000360019330000100022920140412111311.0110128s19uu    xx            00    eng d  a0-201-49364-0  aTR(GS) 372.3bW56 1996  aWinnett, David  aDiscovery Science :bExploration for early years /cDavid Winnett.  aU.S.A :bAddison Wesley,c1996.  a339p.