00515nam a2200205Ia 45000010006000000050017000060070003000230080041000260400025000670410008000920820015001001000020001152450056001352500013001912600043002043000018002476530017002656530019002826530008003014235120240114003501.0ta080621s1954           g     b000 u 465 u  aCotton College,Assam  a465  a505bSc 57  aHaslett, A.W. . 0aScience News 33 /cA.W. Haslett.hTextual Documents  aIst ed /  aNew York :bPenguin Books Ltd ,c1954.  a127p ;c13cm.  aScience News  aG- Mathematics  aT/G