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	1.	No cover image available Developmental genetics and lethal factors / Ernst Hadorn ; translated by Ursula Mittwoch by Hadorn, Ernst, 1902- Mittwoch, Ursula [trl] Material type: Text; Format: print ; Literary form: Not fiction Language: English Original language: German Publication details: London : Methuen, 1961 Availability: Items available for loan: National Library of India (1)Call number: E 575.15 H 117. Place hold Request article Save to lists
	2.	Genetics of sex differentiation / Ursula Mittwoch by Mittwoch, Ursula Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: New York : Academic Press, 1973 Availability: Items available for loan: National Library of India (1)Call number: E 575.1 M 896. Place hold Request article Save to lists

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