TY  - BOOK
AU  - Guha,Mrityunjoy Prasad
TI  - Ākāṡa o pṛthibī
AV  - QB43 .G78
PY  - 1962///]
KW  - Astronomy
KW  - Astronautics
N1  - In Bengali; Bibliography: p. [325]-326
ER  -