AUTHOR: Arzi, A. A.; Fajklewicz, Z. J.
     TITLE: Gravity vertical gradient measurements for the detection of
            small geologic and anthropogenic forms
TITLE NOTE: Discussion and reply; for reference to paper by Fajklewicz, Z.
            J., see Geophysics, Vol. 41, p. 1016, 1976
    SOURCE: Geophysics, v.42, n.5, p.1066-1069
REFERENCES: 3
      YEAR: 1977
CNTRY PUBL: United States
  PUB TYPE: Serial, Analytic
    FORMAT: illus.
     CODEN: GPYSA7
MAJOR DESC: geophysical methods
DESCRIPTOR: gravity methods; techniques; gravimeters; microgravimetry;
            interpretation; anthropogenic structures