000 003120000a22001330004500
245 _aPractical geostatistics
100 _aClark, Isobel
260 _aBarking
_bApplied Science
_c1979
300 _axii, 129p. : ill.
020 _a085334843X
080 _a622:519.2
_bC6
041 _aEN
942 _cBK
_01
999 _c114378
_d114378