Mehrotra, N.C. and Sinha, A.K.,
1981
Further studies on microplankton from the Sangchamalla Formation (Upper Flysch) of Malla Johar area in the Tethyan zone of higher Kumaun Himalaya.
In: Sinha, A.K. (editor), Contemporary Geoscientific Researches in Himalaya, v.1, p.151-160; Bishen Singh Mahendra Pal Singh, Dehra Dun, India.