00921nam a2200301Ia 4500 20260803094145.0 251212s1995 xx 000 0 und d How much does the earth weigh? : measurement & mass. Shelburne Films.; AGC Educational Media Evanston, IL : AGC Educational Media, 1995. : 1 videodisc (VCD) (15 min) : sd., col. ; 4 3/4 in. Science fact & fun VCD Soil physics Juvenile films Soils Composition Juvenile films Soil physics Soils Composition VCD 631.43 H83 c1995 0 1 1 1 0 0 1 1 1 1 1 0 SP0143 English BEDLib 0 lcc av rizal 2015-04-07 23:22:46 rizal 2015-04-07 23:22:46 8057 8034 8034 0 0 0 0 BED BED 2026-01-18 VCD 631.43 H83 c1995 SP0143 2026-01-18 17:34:44 2026-01-18 VM