Subject
Agriculture and state
1
Agriculture, Cooperative
1
Bioclimatology
1
Climatic changes
1
Cotton growing
1
Earthquakes -- Peru -- Lima -- Psychological aspects.
1
Earthquakes -- Social aspects -- Peru -- Lima.
1
Human sacrifice
1
Incas
1
Mass media
1
Mountain hydrology
1
Mountains
1
Pacific Ocean
1
Peru
1
Radiation injuries.
1
Radioactive substances-Accidents.
1
Radiography, Industrial-Accidents-Peru.
1
Telecommunication
1
Watershed hydrology
1
deep sea drilling project
1
diagenesis
1
drill core
1
drilling
1
geochemistry
1
geochronology
1
paleontology
1
sedimentation
1
sedimentology
1
stratigraphy
1