State of the World 1988 :
Worldwatch Institute.
State of the World 1988 : a world watch institute reports on progress towards a sustainable society. - India : Prentice-Hall, 1989. - xvii, 237 p. ; 25 cm.
Includes index and bibliography.
Open access.
Prospecting--Geophysical methods.
Geophysics--International cooperation.
State of the World 1988 : a world watch institute reports on progress towards a sustainable society. - India : Prentice-Hall, 1989. - xvii, 237 p. ; 25 cm.
Includes index and bibliography.
Open access.
Prospecting--Geophysical methods.
Geophysics--International cooperation.