00487nam a2200145Ia 4500008004100000040003800041100002000079245005400099260003700153300001700190653002400207942000600231999001900237952008500256211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBrown, Robert M 0a49 easy entertainment and science projects, vol.1  bD. B. TaraporewalaaBombayc1971  aV.1 p. : 96p  aScience Useful Arts  c1  c379409d379409  00104070a2b2c2d0000-00-00l0oAoM  k1.1p177565r2022-01-27w0000-00-00y1