000 00265nam a22000977a 4500
008 121126b xxu||||| |||| 00| 0 eng d
245 _aTHE SURVEILLANCE AND PREDICTION OF VOLCANIC ACTIVITY
260 _aPARIS
_bUNESCO
_c1971
300 _a166P.;
_c30
942 _2lcc
_cBK
999 _c88844
_d88844