00317cam a2200133ua 45000010005000000080039000050400009000440410012000530820016000651000018000812450027000992600041001263000016001677786120107n1995    II  |||gr||||Z||||||eng  aMAIN  aEnglish  a516.244 KHA  aKHANNA, M. L.  aSPHERICAL TRIGONOMETRY  aMEERUTbJAI PRAKASH NATH & CO.c1995  a136:c20CM.