000 00335pam a2200133a 44500
040 _aP K Kelkar Library, IIT Kanpur
082 _a729.2
_bW168s
100 _aWalsh, John William Tudor
245 1 _aScience of daylight
260 _aLondon
_bMacdonald
_c1961
300 _ax, 285p
650 _aDaylight
997 _a13092 C
999 _c438749
_d438749