[1]
H. S. Pareek, ā€œ2nd Symposium on Gondwana Coals, Department De Geologia Faculdade De Ciencias, Universidade do Porto. Paper and Poster Abstracts, Porto (Portugal), 19th September, 1998.43pā€, jgsi, vol. 53, no. 6, pp. 713ā€“715, Jun. 1999.