00358nam a2200145Ia 45000010005000000080041000050820014000461000015000602450046000752600036001213000010001576500013001676500020001807000012002003974190219s1970    ag     gr     000 0 spa d0 a552bA3671 aAgostoni A10aElementos minerales y rocas /cAgostoni A  aBuenos Aires :bKapelusz,c1970  a42 p.14aGEOLOGIA24aROCAS,MINERALES1 aForni G