TY  - BOOK
AU  - Bharadwaj,D.C
AU  - Tiwari,R.S.
TI  - Sporological Analysis of Some Coal and Carbonaceus Shales from Barren Measure Stage (lower Gondawa) of India
PY  - 1965///
CY  - Rachi : 
PB  - Catholic Press, 
N1  - The palaeobotanist, vol.13, nº2, 1964
ER  -