TY  - GEN
AU  - Robert,Emmanuel
AU  - Bulot,Luc Georges
ED  - European meeting on the palaeontology and stratigraphy of Latin America, 3
TI  - Origin and phylogeny of the peruvian engonoceratids, pulchelliaceae, ammonitina, ammonoidea
N1  - bibliogr. p. 106
ER  -