00621nam a2200169 a 450000500170000000800410001702000180005805000250007610000190010124500690012026000540018930000180024365000320026165000240029399900190031795201150033620140412111249.0010404s19uu    xx            00    eng d  a0-590-49138-5  aTR(GS 507bW431 1992  aWeiner, Esther  aDirt-cheap science :blife, earth, physical /cby Esther Weiner.  aNew York :bScholastic Professional Books,c1992.  a208 p. ; ill.  aScience-Juvenile literature  aScience experiments  c103064d103064  001040aELbELcTRd2001-04-04eLib. Fundl0oTR(GS 507 W431 1992pE3738r2014-04-12 00:00:00w2014-04-12yBK