Ecology - Ecological story " UTOP " in 8 original plates in 16 half plates, published in the monthly magazine Record (2nd series) n° 12 of December 1972 by Bayard - Only episode before change of formula - 36,5 x 46,5 cm - Indian ink, Letraset weft - Story republished in the encyclopedic magazine of the 9th art : HOP ! n°75 of the 2nd quarter 1997, pp.46-53, after a very precise article of Louis CANCE on the career of Jean Chakir.