Harker,, Jillian Fun with science / Jillian Harker ; il. Sara Sliwinska

Fun with science / Jillian Harker ; il. Sara Sliwinska . - [Essex] : Ladybird Books, 1991 . - 24 p., [2] f. est. : il. 28 cm
0-7214-3239-5 (Brochado)

501:372.85
372.85:501