000 00389nam a22001097a 4500
008 130724b xxu||||| |||| 00| 0 eng d
050 _aQE527.5
_b.U54.S87 1972
245 _aTHE SURVEILLANCE AND PREDICTION OF VOLCANIC ACTIVITY
_ba review of methods and techniques
260 _aPARIS
_bUNESCO
_c1971
300 _a166p.;
_c22cm.
942 _2lcc
_cBK
_hQE527.5.U54.S87 1972
999 _c90011
_d90011