Jain S. Fundamentals of Physical Geology / S. Jain, 2014 r=on-line. - Текст : электронный.
Jain S. Hydrology and water resources of India / S. Jain, V. Singh, P. Agarwal, 2007 r=on-line. - Текст : электронный.
Algorithmic learning theory : 16th international conference, ALT 2005, Singapore, October 8-11, 2005: proceedings / SpringerLink (Online service), 2005 r=on-line. - Текст : электронный.