00448nam a22001577i 4500001001000000005001700010008004100027082001900068100002900087245003900116250001000155260003900165300001700204650005100221020001800272SXC01832720260819093637.0260101s1990    ii            000 0 eng d  a535 SIN-O5222  aSingh, S P; Agrawal, J P10aOptics /cSingh, S P; Agrawal, J P  a5 ed.  abPragati Prakashan, Meerut,c1990  ap. ;c22 cm. 0aLight & paraphotic phenomena (Optics); Physics  a9789991231327