December 01, 1978 article Geographic Variation, Speciation, and Clines. Systematic Zoology DOI: 10.2307/2412933 OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 1,015 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Hybrid zones 2021 Current Biology article Biochemistry, Genetics and Molecular Biology Genetic diversity and population structure Open access 8 citations 1 result References 0