00410nam a2200145 a 450000500170000000800410001704100080005808200080006610000160007424500660009026400430015630000280019965000160022765000210024320260717093341.0260717s2017    ii            000 0 eng d  aeng04a5021 aHindu Group14aThe Hindu Speak on Scientific Facts -Volum-lll /cHindu Group 1aChennai :bKasturi & Sons Ltd.,c2017.  axxviii, 505 p. ; 21 cm. 4aHindu Speak 4aScientific Facts