"׳�����, �����; Saxena,Balbir" ���� ������� �ۺ��� �����۳;Nobal puraskar vijeta vegyanik - Ƨ ������;New Delhi ������ ��ϳ��;Pravin Prakashan 1995 - 94p Subjects--Topical Terms: �����۳ ��� �����۳ Dewey Class. No.: H 500.92 SAX