Witschi, Emil, 1890-
Development of vertebrates. - Philadelphia, Saunders, 1956. - 588 p. illus. 25 cm.
Includes bibliography.
56005835
Vertebrates--Development.
Vertebrates--Embryology.
QL959 / .W59
591.3
Development of vertebrates. - Philadelphia, Saunders, 1956. - 588 p. illus. 25 cm.
Includes bibliography.
56005835
Vertebrates--Development.
Vertebrates--Embryology.
QL959 / .W59
591.3