Ferns of India - XI
Nayar, B.K., Kaur, Surjit
Ferns of India - XI Bolbitis - Lucknow 1964 - 1-74 p. - Ferns National Botanical Gardens. Bulletin No. 88 .
Ferns of India - XI Bolbitis - Lucknow 1964 - 1-74 p. - Ferns National Botanical Gardens. Bulletin No. 88 .