000 003400000a22001450004500
245 _aWorld-famous discoveries
100 _aRajiv, Rajendra Kumar
250 _a6th ed.
260 _aNew Delhi
_bFamily Books
_c1990
300 _a128p. : ill., photos.
080 _a910.1
_bR3
650 _aDISCOVERIES
041 _aEN
942 _cBK
999 _c60618
_d60618