APA

Pachauri A.K, University of Delhi. Faculty of Science. Department of Geology & University of Delhi. Faculty of Science. Department of Geology. (1976). Stratigraphic and petrographic studies of therocks of purola area, Kumaon Garhwal Himalaya districts Uttar Kashi and Dehradun Uttar Pradesh. : .

Chicago

Pachauri A.K, University of Delhi. Faculty of Science. Department of Geology and University of Delhi. Faculty of Science. Department of Geology. 1976. Stratigraphic and petrographic studies of therocks of purola area, Kumaon Garhwal Himalaya districts Uttar Kashi and Dehradun Uttar Pradesh. : .

Harvard

Pachauri A.K, University of Delhi. Faculty of Science. Department of Geology and University of Delhi. Faculty of Science. Department of Geology. (1976). Stratigraphic and petrographic studies of therocks of purola area, Kumaon Garhwal Himalaya districts Uttar Kashi and Dehradun Uttar Pradesh. : .

MLA

Pachauri A.K, University of Delhi. Faculty of Science. Department of Geology and University of Delhi. Faculty of Science. Department of Geology. Stratigraphic and petrographic studies of therocks of purola area, Kumaon Garhwal Himalaya districts Uttar Kashi and Dehradun Uttar Pradesh. : . 1976.