000 00419nam a2200181Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQE501.E23 Part 2
245 0 _aInvestigating the earth : teacher`s guide
260 _aBoston
260 _bHoughton Mifflin Company
260 _c1967
300 _avii,749p.
300 _c28cm.
650 _aGeology
700 _aill.
942 _cBook
999 _c15115
_d15115