lois de l'univers, l'énergie
By: Henriette Major, Claude Lafortune ; [photographies, Jean-Pierre Karsenty].
Contributors: Lafortune, Claude, 1936-; Canadian Broadcasting Corporation.
Series: Ma soeur la terre
Publisher: Editions Etudes vivantes
Published: 1983
Place of publication: Montréal
Language: fre
Number of pages: 32
Subjects: Force and energy -- Juvenile literature.
Other titles: Ma soeur la terre (Television program)
Notes: Adapted from the television program 'Ma soeur la terre' a production of the Canadian Broadcasting Corporation.