00413nam a2200157Ia 450000500170000000800410001702000180005804100080007608200100008410000210009424500640011526400300017930000260020965000060023565500140024120260922095527.0260922s9999    xx            000 0 und d  a979-534-287-8  aind  a521.11 aWOODFORD, Chris 10aJejak Sejarah Sains Gravitasib= Routes of Science Gravity   aKlaten bPakar Rayac2006  a40 hlm.bilus.c25 cm 4a0  aGrade 7-9