000 00430nam a2200133 4500
008 230711b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aGround - water studies:
_bAn international guide for research and practice
260 _aParis:
_bUNESCO,
_c1972
650 _aResearch
700 _aBrown, R H (Ed.)
700 _aKonoplyantsev, A A (Ed.)
942 _2udc
_cREF
999 _c51024
_d51024