TY  - BOOK
AU  - Mehrotra, Maharaja Narayan.
TI  - Prithvi ki aayu
T2  - Hindi-samiti-granthmala-60
PY  - 1967///
CY  - Lucknow
PB  - Hindi Samiti
KW  - Earth sciences
KW  - Earth
N1  - Includes index and bibliographical reference
ER  -