00543nam a2200157Ia 4500008004100000040001700041082002400058100002700082110003300109245007000142260003200212300001000244650007700254700002700331700002700358190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta573.03bB171B  aRajeev, Rajendra Kumar  aBal Gyan vigyan encyclopedia 0aBal gyan-vigyan encyclopaediabmanav jagatcRajendra Kumar Rajeev  aNew DelhibPustakayanc1991  a159p.  aScience; Encyclopedias and dictionaries; Man-Origin; Manners and customs  aAvasthi, Rajendra (Ed)  aPrabhakar, Vishnu (Ed)