Zaretskii, Ze�ev V., Mass spectrometry of steroids Zaretskii, Ze�ev V., - New York Wiley, c1976. - xi, 182 p. : ISBN: 0470152257 Subjects--Topical Terms: Mass spectrometry.; Stereochemistry.; Steroids LC Class. No.: QD272.S65.M3 / .Z37 1976