00449nam a22001457a 4500008004100000020001800041040005500059080001100114100002400125245006000149246002900209260004100238300001100279650001300290230706b        |||||||| |||| 00| 0 eng d  a81-7453-136-X  aNational Science LibrarycNational Science Library  a5/6 P4  aSinha, Sadhu Sharan  aविज्ञान और तकानिकी 2003  aVignan aur takaniki 2003  aNew Delhi,bSanjay Prakashan: c2004  a109p.   aScience