RECOGNITION OF ANCESTOR-DESCENDANT RELATIONSHIPS IN INVERTEBRATE PALEONTOLOGY = RECONNAISSANCE DES RELATIONS ANCETRE-DESCENDANT EN PALEONTOLOGIE DES INVERTEBRESBRETSKY SS.1979; PHYLOGENETIC ANALYSIS AND PALEONTOLOGY. SYMPOSIUM ENTITLED PHYLOGENETIC MODELS/1977/LAWRENCE; USA; NEW YORK: COLUMBIA UNIV.; DA. 1979; PP. 113-163; BIBL. 6 P.; 2 TAB. ; TABL./ILL.Conference Paper

EVOLUTION AND CLASSIFICATION OF THE LUCINIDAE (MOLLUSCA; BIVALVIA).BRETSKY SS.1976; PALAEONTOGR. AMER.; E.U.; DA. 1976; VOL. 8; NO 50; PP. 215-337; H.T. 19; BIBL. 8 P. 1/2; 175 ILL.Article

PHENETIC AND PHYLOGENETIC CLASSIFICATIONS OF THE LUCINIDAE (MOLLUSCA, BIVALVIA).BRETSKY SS.1970; BULL. GEOL. INST. UNIV. UPPSALA; SWE; 1970, VOL. 2, P. 5 A 23Miscellaneous

DISPARITY BETWEEN PHENETIC AND PHYLOGENETIC CLASSIFICATIONS AT SUPRA-SPECIFIC LEVELS (ABSTRACT).BRETSKY SS.1969; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1969, NUM. 007 , P. 19 A 20Miscellaneous

MORPHOLOGICAL VARIABILITY AND CHANGE IN THE PALAEOTAXODONT BIVALVE MOLLUSK NUCULITES PLANULATUS (UPPER ORDOVICIAN OF QUEBEC).BRETSKY SS; BRETSKY PW.1977; J. PALEONTOL.; U.S.A.; DA. 1977; VOL. 51; NO 2; PP. 256-271; BIBL. 1 P. 1/2; 8 ILL.Article

ALLOPATRY AND ANCESTORS: A RESPONSE TO CRACRAFT.BRETSKY SS; CRACRAFT J.1975; SYSTEM. ZOOL.; U.S.A.; 1975, VOL. 24, NUM. 0001, P. 113 A 169Serial Issue

THE MAINTENANCE OF EVOLUTIONARY EQUILIBRIUM IN LATE ORDOVICIAN BENTHIC MARINE INVERTEBRATE FAUNAS.BRETSKY PW; BRETSKY SS.1976; LETHAIA; NORVEGE; DA. 1976; VOL. 9; NO 3; PP. 223-233; BIBL. 14 REF.; 7 ILL.Article

SUCCESSION AND REPETITION OF LATE ORDOVICIEN FOSSIL ASSEMBLAGES FROM THE NICOLET RIVER VALLEY, QUEBEC.BRETSKY PW; BRETSKY SS.1975; PALEOBIOLOGY; U.S.A.; 1975, VOL. 1, NUM. 0003, P. 225 A 237Serial Issue

MORPHOLOGICAL VARIABILITY AND TEMPORAL CHANGE IN A PALEOCENE LUCINID BIVALVE MOLLUSK.BRETSKY SS; KAUFFMAN EG.1977; BULL. GEOL. SOC. DENM.; DENM.; DA. 1977; VOL. 26; NO 3-4; PP. 161-174; BIBL. 26 REF.; 12 ILL.Article

BRACHIOPOD ECOLOGY IN THE ORDOVICIAN OF EASTERN PENNSYLVANIA.BRETSKY PW; FLESSA KW; BRETSKY SS et al.1969; J. PALEONTOL.; USA; 1969(3), VOL. 43, NUM. 0002, P. 312 A 321Miscellaneous

MOLLUSCAN AND BRACHIOPOD DOMINATED BIOFACIES IN THE PLATTEVILLE FORMATION (MIDDLE ORDOVICIAN), UPPER MISSISSIPPI VALLEY.BRETSKY PW; BRETSKY SS; SCHAEFER PJ et al.1977; BULL. GEOL. SOC. DENM.; DENM.; DA. 1977; VOL. 26; NO 1-2; PP. 115-132; BIBL. 1 P.; 15 ILL.Article

FRAGILE ECOSYSTEMS = ECOSYSTEMES FRAGILESBRETSKY PW; BRETSKY SS; LEVINTON J et al.1973; SCIENCE; U.S.A.; DA. 1973; VOL. 179; NO 4078; PP. 1147; BIBL. 6 REF.Serial Issue

TELANGIECTATIC OSTEOGENIC SARCOMA: A CLINICOPATHOLOGIC STUDY OF 124 PATIENTSHUVOS AG; ROSEN G; BRETSKY SS et al.1982; CANCER; ISSN 0008-543X; USA; DA. 1982; VOL. 49; NO 8; PP. 1679-1689; BIBL. 39 REF.Article