THE PELVIS OF ARCHAEOPTERYX = LE PELVIS DE L'ARCHAEOPTERYXWALKER AD.1980; GEOL. MAG.; ISSN 0016-7568; GBR; DA. 1980; VOL. 117; NO 6; PP. 595-600; H.T. 2; BIBL. 16 REF.; 2 PLANCH. ; ILL./PL.Article

A REVISION OF THE JURASSIC REPTILE HALLOPUS VICTOR (MARSH), WITH REMARKS ON THE CLASSIFICATION OF CROCODILES.WALKER AD.1970; PHILOS. TRANS. R. SOC. LONDON, B; GBR; 1970(2), VOL. 257, NUM. 0816, P. 323 A 372Miscellaneous

THE REPTILE FAUNA OF THE "LOWER KEUPER" SANDSTONE.WALKER AD.1969; GEOL. MAG., G.B.; 1969, VOL. 106, NUM. 0005, P. 470 A 476Miscellaneous

EVOLUTION OF THE PELVIS IN BIRDS AND DINOSAURS.WALKER AD.1977; LINN. SOC. SYMP. SER.; G.B.; DA. 1977; NO 4; PP. 319-357; BIBL. 2 P.; 14 ILL.; (PROBL. VERTEBR. EVOL. SYMP.; LONDON; 1976)Conference Paper

CRITERIA OF INTACTNESS AND THE PHOTOSYNTHETIC ACTIVITY OF SPINACH CHLOROPLAST PREPARATIONSLILLEY RM; FITZGERALD MP; RIENITS KG et al.1975; NEW PHYTOLOGIST; G.B.; DA. 1975; VOL. 75; NO 1; PP. 1-20; BIBL. 17 REF.Article