201 science experiments & projects
Two hundred one science experiments & projects
Knowles, Gareth
creator
text
bibliography
ii
Delhi
Jainsons Printers & Publishers
(200?)
1969
monographic
eng
344p. 22cm(Hb) b&w photos
by Gareth Knowles
Scientists projects
507.8
8179450007
B-358128
DBAD / PUB
dpl
700624
20090922113239.0
English